Overhauled server startup checks + initialization
Config can be used from Commandline.java to construct a server that doesn't open any ports.
This commit is contained in:
stefanp
parent
b7a1f113b5
commit
ed6e4d1125
2 changed files with 314 additions and 207 deletions
39
src/helma/main/Config.java
Normal file
39
src/helma/main/Config.java
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@ -0,0 +1,39 @@
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/*
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* Helma License Notice
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*
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* The contents of this file are subject to the Helma License
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* Version 2.0 (the "License"). You may not use this file except in
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* compliance with the License. A copy of the License is available at
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* http://adele.helma.org/download/helma/license.txt
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*
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* Copyright 1998-2003 Helma Software. All Rights Reserved.
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*
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* $RCSfile$
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* $Author$
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* $Revision$
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* $Date$
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*/
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package helma.main;
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import org.mortbay.util.InetAddrPort;
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import java.io.File;
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/**
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* Utility class for server config
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*/
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public class Config {
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InetAddrPort rmiPort = null;
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InetAddrPort xmlrpcPort = null;
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InetAddrPort websrvPort = null;
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InetAddrPort ajp13Port = null;
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File propFile = null;
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File homeDir = null;
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public boolean hasPortSetting() {
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return (websrvPort != null || ajp13Port != null || rmiPort != null || xmlrpcPort != null);
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}
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}
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@ -88,72 +88,298 @@ public class Server implements IPathElement, Runnable {
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// the XML-RPC server
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protected WebServer xmlrpc;
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/**
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* Constructs a new Server instance with an array of command line options.
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*/
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public Server(String[] args) {
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public Server(Config config) {
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starttime = System.currentTimeMillis();
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String homeDir = System.getProperty("helma.home");
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rmiPort = config.rmiPort;
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xmlrpcPort = config.xmlrpcPort;
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websrvPort = config.websrvPort;
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ajp13Port = config.ajp13Port;
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hopHome = config.homeDir;
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boolean usageError = false;
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// create system properties
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sysProps = new SystemProperties(config.propFile.getAbsolutePath());
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}
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// file names of various property files
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String propfile = null;
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String dbPropfile = "db.properties";
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String appsPropfile = null;
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/**
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* static main entry point.
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*/
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public static void main(String[] args) {
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checkJavaVersion();
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Config config = null;
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try {
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config = parseArgs(args);
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} catch (Exception cex) {
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printUsageError(cex.toString());
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System.exit(1);
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}
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if (!config.hasPortSetting()) {
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printUsageError("no server ports set");
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System.exit(1);
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}
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checkRunning(config);
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// create new server instance
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server = new Server(config);
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// parse properties files etc
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server.init();
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// start the server main thread
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server.start();
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}
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/**
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* check if we are running on a Java 2 VM - otherwise exit with an error message
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*/
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public static void checkJavaVersion() {
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String javaVersion = System.getProperty("java.version");
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if ((javaVersion == null) || javaVersion.startsWith("1.2")
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|| javaVersion.startsWith("1.1")
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|| javaVersion.startsWith("1.0")) {
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System.err.println("This version of Helma requires Java 1.3 or greater.");
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if (javaVersion == null) { // don't think this will ever happen, but you never know
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System.err.println("Your Java Runtime did not provide a version number. Please update to a more recent version.");
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} else {
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System.err.println("Your Java Runtime is version " + javaVersion +
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". Please update to a more recent version.");
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}
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System.exit(1);
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}
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}
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/**
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* parse the command line arguments, read a given server.properties file
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* and check the values given for server ports
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* @return Config if successfull
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* @throews Exception on any configuration error
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*/
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public static Config parseArgs(String[] args) throws Exception {
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Config config = new Config();
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if (System.getProperty("helma.home")!=null) {
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config.homeDir = new File(System.getProperty("helma.home"));
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}
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// parse arguments
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for (int i = 0; i < args.length; i++) {
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if (args[i].equals("-h") && ((i + 1) < args.length)) {
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homeDir = args[++i];
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config.homeDir = new File(args[++i]);
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} else if (args[i].equals("-f") && ((i + 1) < args.length)) {
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propfile = args[++i];
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config.propFile = new File(args[++i]);
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} else if (args[i].equals("-p") && ((i + 1) < args.length)) {
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try {
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rmiPort = new InetAddrPort(args[++i]);
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config.rmiPort = new InetAddrPort(args[++i]);
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} catch (Exception portx) {
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usageError = true;
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throw new Exception("Error parsing RMI server port property: " + portx);
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}
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} else if (args[i].equals("-x") && ((i + 1) < args.length)) {
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try {
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xmlrpcPort = new InetAddrPort(args[++i]);
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config.xmlrpcPort = new InetAddrPort(args[++i]);
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} catch (Exception portx) {
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usageError = true;
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throw new Exception("Error parsing XML-RPC server port property: " + portx);
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}
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} else if (args[i].equals("-w") && ((i + 1) < args.length)) {
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try {
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websrvPort = new InetAddrPort(args[++i]);
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config.websrvPort = new InetAddrPort(args[++i]);
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} catch (Exception portx) {
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usageError = true;
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throw new Exception("Error parsing web server port property: " + portx);
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}
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} else if (args[i].equals("-jk") && ((i + 1) < args.length)) {
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try {
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ajp13Port = new InetAddrPort(args[++i]);
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config.ajp13Port = new InetAddrPort(args[++i]);
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} catch (Exception portx) {
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usageError = true;
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throw new Exception("Error parsing AJP1.3 server port property: " + portx);
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}
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} else if (args[i].equals("-i") && ((i + 1) < args.length)) {
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// eat away the -i parameter which is meant for helma.main.launcher.Main
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i++;
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} else {
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System.err.println("Unknown command line token: " + args[i]);
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usageError = true;
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throw new Exception("Unknown command line token: " + args[i]);
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}
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}
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// get main property file from home dir or vice versa, depending on what we have.
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// get property file from hopHome
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if (propfile == null) {
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if (homeDir != null) {
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propfile = new File(homeDir, "server.properties").getAbsolutePath();
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if (config.propFile == null) {
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if (config.homeDir != null) {
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config.propFile = new File(config.homeDir, "server.properties");
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} else {
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propfile = new File("server.properties").getAbsolutePath();
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config.propFile = new File("server.properties");
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}
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}
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// create system properties
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sysProps = new SystemProperties(propfile);
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SystemProperties sysProps = new SystemProperties(config.propFile.getAbsolutePath());
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// check if there's a property setting for those ports not specified via command line
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if ((config.websrvPort == null) && (sysProps.getProperty("webPort") != null)) {
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try {
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config.websrvPort = new InetAddrPort(sysProps.getProperty("webPort"));
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} catch (Exception portx) {
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throw new Exception("Error parsing web server port property from server.properties: " + portx);
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}
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}
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if ((config.ajp13Port == null) && (sysProps.getProperty("ajp13Port") != null)) {
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try {
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config.ajp13Port = new InetAddrPort(sysProps.getProperty("ajp13Port"));
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} catch (Exception portx) {
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throw new Exception("Error parsing AJP1.3 server port property from server.properties: " + portx);
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}
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}
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if ((config.rmiPort == null) && (sysProps.getProperty("rmiPort") != null)) {
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try {
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config.rmiPort = new InetAddrPort(sysProps.getProperty("rmiPort"));
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} catch (Exception portx) {
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throw new Exception("Error parsing RMI server port property from server.properties: " + portx);
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}
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}
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if ((config.xmlrpcPort == null) && (sysProps.getProperty("xmlrpcPort") != null)) {
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try {
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config.xmlrpcPort = new InetAddrPort(sysProps.getProperty("xmlrpcPort"));
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} catch (Exception portx) {
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throw new Exception("Error parsing XML-RPC server port property from server.properties: " + portx);
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}
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}
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// get hopHome from property file
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if (config.homeDir == null) {
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config.homeDir = new File(sysProps.getProperty("hophome"));
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}
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if (config.homeDir == null) {
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config.homeDir = new File(config.propFile.getParent());
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}
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// try to transform hopHome directory to its canonical representation
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try {
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config.homeDir = config.homeDir.getCanonicalFile();
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} catch (IOException iox) {
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config.homeDir = config.homeDir.getAbsoluteFile();
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}
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return config;
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}
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/**
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* print the usage hints and prefix them with a message.
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*/
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public static void printUsageError(String msg) {
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System.out.println(msg);
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printUsageError();
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}
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/**
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* print the usage hints
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*/
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public static void printUsageError() {
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System.out.println("");
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System.out.println("Usage: java helma.main.Server [options]");
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System.out.println("Possible options:");
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System.out.println(" -h dir Specify hop home directory");
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System.out.println(" -f file Specify server.properties file");
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System.out.println(" -w [ip:]port Specify embedded web server address/port");
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System.out.println(" -x [ip:]port Specify XML-RPC address/port");
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System.out.println(" -jk [ip:]port Specify AJP13 address/port");
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System.out.println(" -p [ip:]port Specify RMI address/port");
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System.out.println("");
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System.out.println("Supported formats for server ports:");
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System.out.println(" <port-number>");
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System.out.println(" <ip-address>:<port-number>");
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System.out.println(" <hostname>:<port-number>");
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System.out.println("");
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System.err.println("Usage Error - exiting");
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System.out.println("");
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}
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/**
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* Check wheter a server is already running on any of the given ports
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* - otherwise exit with an error message
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*/
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public static void checkRunning(Config config) {
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// check if any of the specified server ports is in use already
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try {
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if (config.websrvPort != null) {
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checkPort(config.websrvPort);
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}
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if (config.rmiPort != null) {
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checkPort(config.rmiPort);
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}
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if (config.xmlrpcPort != null) {
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checkPort(config.xmlrpcPort);
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}
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if (config.ajp13Port != null) {
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checkPort(config.ajp13Port);
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}
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} catch (Exception running) {
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System.out.println(running.getMessage());
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System.exit(1);
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}
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}
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/**
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* A primitive method to check whether a server is already running on our port.
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*/
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private static void checkPort(InetAddrPort addrPort) throws Exception {
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// checkRunning is disabled until we find a fix for the socket creation
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// timeout problems reported on the list.
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return;
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/*
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InetAddress addr = addrPort.getInetAddress();
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if (addr == null) {
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try {
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addr = InetAddress.getLocalHost();
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} catch (UnknownHostException unknown) {
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System.err.println("Error checking running server: localhost is unknown.");
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return;
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}
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}
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try {
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new Socket(addr, addrPort.getPort());
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} catch (IOException x) {
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// we couldn't connect to the socket because no server
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// is running on it yet. Everything's ok.
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return;
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}
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// if we got so far, another server is already running on this port and db
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throw new Exception("Error: Server already running on this port: " + addrPort);
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*/
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}
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/**
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* initialize the server
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*/
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public void init() {
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// set the log factory property
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String logFactory = sysProps.getProperty("loggerFactory",
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@ -162,109 +388,6 @@ public class Server implements IPathElement, Runnable {
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helmaLogging = "helma.util.Logging".equals(logFactory);
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System.setProperty("org.apache.commons.logging.LogFactory", logFactory);
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// check if there's a property setting for those ports not specified via command line
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if ((websrvPort == null) && (sysProps.getProperty("webPort") != null)) {
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try {
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websrvPort = new InetAddrPort(sysProps.getProperty("webPort"));
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} catch (Exception fmt) {
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System.err.println("Error parsing web server port property: " + fmt);
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}
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}
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if ((ajp13Port == null) && (sysProps.getProperty("ajp13Port") != null)) {
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try {
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ajp13Port = new InetAddrPort(sysProps.getProperty("ajp13Port"));
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} catch (Exception fmt) {
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System.err.println("Error parsing AJP1.3 server port property: " + fmt);
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}
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}
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if ((rmiPort == null) && (sysProps.getProperty("rmiPort") != null)) {
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try {
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rmiPort = new InetAddrPort(sysProps.getProperty("rmiPort"));
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} catch (Exception fmt) {
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System.err.println("Error parsing RMI server port property: " + fmt);
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}
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}
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if ((xmlrpcPort == null) && (sysProps.getProperty("xmlrpcPort") != null)) {
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try {
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xmlrpcPort = new InetAddrPort(sysProps.getProperty("xmlrpcPort"));
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} catch (Exception fmt) {
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System.err.println("Error parsing XML-RPC server port property: " + fmt);
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}
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}
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// check server ports. If no port is set, issue a warning and exit.
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if (!usageError && websrvPort == null && ajp13Port == null &&
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rmiPort == null && xmlrpcPort == null) {
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System.out.println(" Error: No server port specified.");
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usageError = true;
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}
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// if there's a usage error, output message and exit
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if (usageError) {
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System.out.println("");
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System.out.println("Usage: java helma.main.Server [options]");
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System.out.println("Possible options:");
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System.out.println(" -h dir Specify hop home directory");
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System.out.println(" -f file Specify server.properties file");
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System.out.println(" -w [ip:]port Specify embedded web server address/port");
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System.out.println(" -x [ip:]port Specify XML-RPC address/port");
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System.out.println(" -jk [ip:]port Specify AJP13 address/port");
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System.out.println(" -p [ip:]port Specify RMI address/port");
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System.out.println("");
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System.out.println("Supported formats for server ports:");
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System.out.println(" <port-number>");
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System.out.println(" <ip-address>:<port-number>");
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System.out.println(" <hostname>:<port-number>");
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System.out.println("");
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System.err.println("Usage Error - exiting");
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System.out.println("");
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System.exit(0);
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}
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// check if any of the specified server ports is in use already
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try {
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if (websrvPort != null) {
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checkRunning(websrvPort);
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}
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if (rmiPort != null) {
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checkRunning(rmiPort);
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}
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if (xmlrpcPort != null) {
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checkRunning(xmlrpcPort);
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}
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if (ajp13Port != null) {
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checkRunning(ajp13Port);
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}
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} catch (Exception running) {
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System.out.println(running.getMessage());
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System.exit(1);
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}
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// get hopHome from property file
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if (homeDir == null) {
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homeDir = sysProps.getProperty("hophome");
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}
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if (homeDir == null) {
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homeDir = new File(propfile).getParent();
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}
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// create hopHome File object
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hopHome = new File(homeDir);
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// try to transform hopHome directory to its cononical representation
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try {
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hopHome = hopHome.getCanonicalFile();
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} catch (IOException iox) {
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hopHome = hopHome.getAbsoluteFile();
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}
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// set the current working directory to the helma home dir.
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// note that this is not a real cwd, which is not supported
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// by java. It makes sure relative to absolute path name
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@ -285,22 +408,20 @@ public class Server implements IPathElement, Runnable {
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logger.info("Setting Helma Home to " + hopHome);
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File helper = new File(hopHome, "db.properties");
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dbPropfile = helper.getAbsolutePath();
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dbProps = new SystemProperties(dbPropfile);
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// read db.properties file in helma home directory
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File helper = new File(hopHome, "db.properties");
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dbProps = new SystemProperties(helper.getAbsolutePath());
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DbSource.setDefaultProps(dbProps);
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appsPropfile = sysProps.getProperty("appsPropFile");
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||||
|
||||
// read apps.properties file
|
||||
String appsPropfile = sysProps.getProperty("appsPropFile");
|
||||
if ((appsPropfile != null) && !"".equals(appsPropfile.trim())) {
|
||||
helper = new File(appsPropfile);
|
||||
} else {
|
||||
helper = new File(hopHome, "apps.properties");
|
||||
}
|
||||
|
||||
appsPropfile = helper.getAbsolutePath();
|
||||
appsProps = new SystemProperties(appsPropfile);
|
||||
appsProps = new SystemProperties(helper.getAbsolutePath());
|
||||
|
||||
paranoid = "true".equalsIgnoreCase(sysProps.getProperty("paranoid"));
|
||||
|
||||
|
|
@ -324,57 +445,34 @@ public class Server implements IPathElement, Runnable {
|
|||
|
||||
// try to load the extensions
|
||||
extensions = new Vector();
|
||||
|
||||
if (sysProps.getProperty("extensions") != null) {
|
||||
StringTokenizer tok = new StringTokenizer(sysProps.getProperty("extensions"),
|
||||
",");
|
||||
|
||||
while (tok.hasMoreTokens()) {
|
||||
String extClassName = tok.nextToken().trim();
|
||||
|
||||
try {
|
||||
Class extClass = Class.forName(extClassName);
|
||||
HelmaExtension ext = (HelmaExtension) extClass.newInstance();
|
||||
|
||||
ext.init(this);
|
||||
extensions.add(ext);
|
||||
logger.info("Loaded: " + extClassName);
|
||||
} catch (Throwable e) {
|
||||
logger.error("Error loading extension " + extClassName + ": " + e.toString());
|
||||
}
|
||||
}
|
||||
initExtensions();
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* static main entry point.
|
||||
*/
|
||||
public static void main(String[] args) {
|
||||
// check if we are running on a Java 2 VM - otherwise exit with an error message
|
||||
String javaVersion = System.getProperty("java.version");
|
||||
* initialize extensions
|
||||
*/
|
||||
private void initExtensions() {
|
||||
StringTokenizer tok = new StringTokenizer(sysProps.getProperty("extensions"), ",");
|
||||
while (tok.hasMoreTokens()) {
|
||||
String extClassName = tok.nextToken().trim();
|
||||
|
||||
if ((javaVersion == null) || javaVersion.startsWith("1.2")
|
||||
|| javaVersion.startsWith("1.1")
|
||||
|| javaVersion.startsWith("1.0")) {
|
||||
System.err.println("This version of Helma requires Java 1.3 or greater.");
|
||||
|
||||
if (javaVersion == null) { // don't think this will ever happen, but you never know
|
||||
System.err.println("Your Java Runtime did not provide a version number. Please update to a more recent version.");
|
||||
} else {
|
||||
System.err.println("Your Java Runtime is version " + javaVersion +
|
||||
". Please update to a more recent version.");
|
||||
try {
|
||||
Class extClass = Class.forName(extClassName);
|
||||
HelmaExtension ext = (HelmaExtension) extClass.newInstance();
|
||||
ext.init(this);
|
||||
extensions.add(ext);
|
||||
logger.info("Loaded: " + extClassName);
|
||||
} catch (Throwable e) {
|
||||
logger.error("Error loading extension " + extClassName + ": " + e.toString());
|
||||
}
|
||||
|
||||
System.exit(1);
|
||||
}
|
||||
|
||||
// create new server instance
|
||||
server = new Server(args);
|
||||
|
||||
// start the server main thread
|
||||
server.start();
|
||||
}
|
||||
|
||||
|
||||
|
||||
protected void start() {
|
||||
// Start running, finishing setup and then entering a loop to check changes
|
||||
// in the apps.properties file.
|
||||
|
|
@ -639,37 +737,6 @@ public class Server implements IPathElement, Runnable {
|
|||
return server.xmlrpc;
|
||||
}
|
||||
|
||||
/**
|
||||
* A primitive method to check whether a server is already running on our port.
|
||||
*/
|
||||
private void checkRunning(InetAddrPort addrPort) throws Exception {
|
||||
// checkRunning is disabled until we find a fix for the socket creation
|
||||
// timeout problems reported on the list.
|
||||
return;
|
||||
|
||||
/*
|
||||
InetAddress addr = addrPort.getInetAddress();
|
||||
if (addr == null) {
|
||||
try {
|
||||
addr = InetAddress.getLocalHost();
|
||||
} catch (UnknownHostException unknown) {
|
||||
System.err.println("Error checking running server: localhost is unknown.");
|
||||
return;
|
||||
}
|
||||
}
|
||||
try {
|
||||
new Socket(addr, addrPort.getPort());
|
||||
} catch (IOException x) {
|
||||
// we couldn't connect to the socket because no server
|
||||
// is running on it yet. Everything's ok.
|
||||
return;
|
||||
}
|
||||
|
||||
// if we got so far, another server is already running on this port and db
|
||||
throw new Exception("Error: Server already running on this port: " + addrPort);
|
||||
*/
|
||||
}
|
||||
|
||||
/**
|
||||
*
|
||||
*
|
||||
|
|
@ -785,4 +852,5 @@ public class Server implements IPathElement, Runnable {
|
|||
public String getPrototype() {
|
||||
return "root";
|
||||
}
|
||||
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue