GoogleAppEngine: dev_appserver crashed <p>When start the development server, Java will crash What is the cause?</p> <p>(OS)</p> <pre><code>Mac OS X 10.6.6 </code></pre> <p>(Java)</p> <pre><code>Java(TM) SE Runtime Environment (build 1.6.0_24-b07-334-10M3326) Java HotSpot(TM) 64-Bit Server VM (build 19.1-b02-334, mixed mode) </code></pre> <p>(GAE) Version 1.4.2</p> <p>(console)</p> <pre><code>admin$ ./dev_appserver.sh --port=8080 /Users/admin/projects/sample1/war/ 2011-03-10 12:51:02.582 java[2542:903] [Java CocoaComponent compatibility mode]: Enabled 2011-03-10 12:51:02.583 java[2542:903] [Java CocoaComponent compatibility mode]: Setting timeout for SWT to 0.100000 2011/03/10 3:51:03 com.google.apphosting.utils.jetty.JettyLogger info ####: Logging to JettyLogger(null) via com.google.apphosting.utils.jetty.JettyLogger 2011/03/10 3:51:04 com.google.apphosting.utils.config.AppEngineWebXmlReader readAppEngineWebXml ####: Successfully processed /Users/admin/projects/sample1/war/WEB-INF/appengine-web.xml 2011/03/10 3:51:04 com.google.apphosting.utils.config.AbstractConfigXmlReader readConfigXml ####: Successfully processed /Users/admin/projects/sample1/war/WEB-INF/web.xml 2011/03/10 3:51:04 com.google.apphosting.utils.jetty.JettyLogger info ####: jetty-6.1.x 2011/03/10 3:51:04 com.sun.jersey.api.core.PackagesResourceConfig init ####: Scanning for root resource and provider classes in the packages: sample1.resources jp.tryden.resources.test 2011/03/10 3:51:04 com.sun.jersey.api.core.ScanningResourceConfig logClasses ####: Root resource classes found: class sample1.resources.CheckinsResource class sample1.resources.UsersResource class sample1.resources.ItemsResource 2011/03/10 3:51:04 com.sun.jersey.api.core.ScanningResourceConfig init ####: No provider classes found. 2011/03/10 3:51:05 com.sun.jersey.server.impl.application.WebApplicationImpl initiate ####: Initiating Jersey application, version 'Jersey: 1.1.5.1 03/10/2010 02:33 PM' 2011/03/10 3:51:06 com.google.apphosting.utils.jetty.JettyLogger info ####: Started SelectChannelConnector@127.0.0.1:8080 2011/03/10 3:51:06 com.google.appengine.tools.development.DevAppServerImpl start ####: The server is running at http://localhost:8080/ admin$ ( &lt;- Stopped!! ) </code></pre> <p>(crash log)</p> <pre><code>Process: java [3466] Path: /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home/bin/java Identifier: java Version: 1.0 (1.0) Code Type: X86-64 (Native) Parent Process: java [3465] Date/Time: 2011-03-10 14:22:12.206 +0900 OS Version: Mac OS X 10.6.6 (10J567) Report Version: 6 Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000000 Crashed Thread: 10 Dispatch queue: com.apple.root.low-priority Thread 0: Dispatch queue: com.apple.main-thread 0 ??? 0x000000010301f383 0 + 4345426819 1 ??? 0x000000010300685a 0 + 4345325658 2 ??? 0x0000000103006e8d 0 + 4345327245 3 ??? 0x00000001030069b3 0 + 4345326003 4 ??? 0x00000001030069b3 0 + 4345326003 5 ??? 0x0000000103006e8d 0 + 4345327245 6 ??? 0x000000010300685a 0 + 4345325658 7 ??? 0x000000010300685a 0 + 4345325658 8 ??? 0x000000010300685a 0 + 4345325658 ... </code></pre>