This page (revision-16) was last changed on 10-Apr-2012 14:52 by Dieter Käppel

This page was created on 14-Dec-2010 17:23 by Dieter Käppel

Only authorized users are allowed to rename pages.

Only authorized users are allowed to delete pages.

Page revision history

Version Date Modified Size Author Changes ... Change note
16 10-Apr-2012 14:52 13 KB Dieter Käppel to previous
15 10-Apr-2012 14:52 13 KB Dieter Käppel to previous | to last
14 14-Mar-2012 12:39 12 KB Dieter Käppel to previous | to last
13 06-Dec-2011 11:37 12 KB Dieter Käppel to previous | to last
12 06-Dec-2011 11:27 10 KB Dieter Käppel to previous | to last
11 06-Dec-2011 11:25 5 KB Dieter Käppel to previous | to last
10 05-Dec-2011 17:47 4 KB Dieter Käppel to previous | to last
9 05-Dec-2011 16:39 4 KB Dieter Käppel to previous | to last
8 05-Dec-2011 00:14 3 KB Dieter Käppel to previous | to last
7 02-Dec-2011 15:20 2 KB Dieter Käppel to previous | to last
6 17-Nov-2011 13:21 2 KB Dieter Käppel to previous | to last
5 17-Nov-2011 12:19 1 KB Dieter Käppel to previous | to last
4 17-Nov-2011 10:27 930 bytes Dieter Käppel to previous | to last
3 14-Nov-2011 10:25 257 bytes Dieter Käppel to previous | to last
2 14-Dec-2010 17:23 169 bytes Dieter Käppel to previous | to last
1 14-Dec-2010 17:23 51 bytes Dieter Käppel to last

Page References

Incoming links Outgoing links

Version management

Difference between version and

At line 144 removed 151 lines
!SDK Fehler bei Starten aus Eclipse
{{{
Exception in thread "main" java.lang.ExceptionInInitializerError
at com.google.appengine.tools.util.Logging.initializeLogging(Logging.java:35)
at com.google.appengine.tools.development.DevAppServerMain.main(DevAppServerMain.java:82)
Caused by: java.lang.RuntimeException: Unable to discover the Google App Engine SDK root. This code should be loaded from the SDK directory, but was instead loaded from file:/C:/Users/<profile>/.m2/repository/com/google/appengine/appengine-tools-sdk/1.6.0/appengine-tools-sdk-1.6.0.jar. Specify -Dappengine.sdk.root to override the SDK location.
at com.google.appengine.tools.info.SdkInfo.findSdkRoot(SdkInfo.java:102)
at com.google.appengine.tools.info.SdkInfo.init(SdkInfo.java:194)
at com.google.appengine.tools.info.SdkInfo.getSdkRoot(SdkInfo.java:149)
at com.google.appengine.tools.info.SdkImplInfo.<clinit>(SdkImplInfo.java:19)
... 2 more
}}}
Lösung: Es befindet sich ein Projekt im Deployment-Assembly mit einer Abhängigkeit zur Google-Engine. Entweder das Projekt herausnehmen oder die Abhängigkeit ändern, sodass sie nicht im Deployment-Assembly erscheint.
!SAX-Parser Probleme
Der SAX-Parser aus dem JDK kann auf der GAE nicht benutzt werden:
{{{
javax.xml.parsers.FactoryConfigurationError: Provider org.apache.xerces.jaxp.SAXParserFactoryImpl not found
at javax.xml.parsers.SAXParserFactory.newInstance(SAXParserFactory.java:134)
at org.mortbay.xml.XmlParser.setValidating(XmlParser.java:91)
at org.mortbay.xml.XmlParser.<init>(XmlParser.java:83)
at org.mortbay.jetty.webapp.TagLibConfiguration.configureWebApp(TagLibConfiguration.java:210)
at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1247)
at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:517)
at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:467)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
at org.mortbay.jetty.Server.doStart(Server.java:224)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at com.google.appengine.tools.development.JettyContainerService.startContainer(JettyContainerService.java:191)
at com.google.appengine.tools.development.AbstractContainerService.startup(AbstractContainerService.java:239)
at com.google.appengine.tools.development.DevAppServerImpl.start(DevAppServerImpl.java:146)
at com.google.appengine.tools.development.DevAppServerMain$StartAction.apply(DevAppServerMain.java:164)
at com.google.appengine.tools.util.Parser$ParseResult.applyArgs(Parser.java:48)
at com.google.appengine.tools.development.DevAppServerMain.<init>(DevAppServerMain.java:113)
at com.google.appengine.tools.development.DevAppServerMain.main(DevAppServerMain.java:89)
06.12.2011 10:22:26 com.google.apphosting.utils.jetty.JettyLogger warn
WARNUNG: Nested in javax.xml.parsers.FactoryConfigurationError: Provider org.apache.xerces.jaxp.SAXParserFactoryImpl not found:
java.lang.ClassNotFoundException: org.apache.xerces.jaxp.SAXParserFactoryImpl
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at com.google.appengine.tools.development.IsolatedAppClassLoader.loadClass(IsolatedAppClassLoader.java:176)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
at javax.xml.parsers.FactoryFinder.getProviderClass(FactoryFinder.java:111)
at javax.xml.parsers.FactoryFinder.newInstance(FactoryFinder.java:146)
at javax.xml.parsers.FactoryFinder.findJarServiceProvider(FactoryFinder.java:298)
at javax.xml.parsers.FactoryFinder.find(FactoryFinder.java:223)
at javax.xml.parsers.SAXParserFactory.newInstance(SAXParserFactory.java:128)
at org.mortbay.xml.XmlParser.setValidating(XmlParser.java:91)
at org.mortbay.xml.XmlParser.<init>(XmlParser.java:83)
at org.mortbay.jetty.webapp.TagLibConfiguration.configureWebApp(TagLibConfiguration.java:210)
at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1247)
at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:517)
at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:467)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
at org.mortbay.jetty.Server.doStart(Server.java:224)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at com.google.appengine.tools.development.JettyContainerService.startContainer(JettyContainerService.java:191)
at com.google.appengine.tools.development.AbstractContainerService.startup(AbstractContainerService.java:239)
at com.google.appengine.tools.development.DevAppServerImpl.start(DevAppServerImpl.java:146)
at com.google.appengine.tools.development.DevAppServerMain$StartAction.apply(DevAppServerMain.java:164)
at com.google.appengine.tools.util.Parser$ParseResult.applyArgs(Parser.java:48)
at com.google.appengine.tools.development.DevAppServerMain.<init>(DevAppServerMain.java:113)
at com.google.appengine.tools.development.DevAppServerMain.main(DevAppServerMain.java:89)
}}}
Ursache: JARs nicht deployed
Lösung: Die Bibliotheken deployen
* Faceted Project
* Dynamic Web Application
* Im Deployment Assembly "Java Build Path Entry" hinzufügen, Maven Dependencies auswählen
* Folgende Dependencies einfügen:
{{{
<dependency>
<groupId>xalan</groupId>
<artifactId>serializer</artifactId>
<version>2.7.1</version>
</dependency>
<dependency>
<groupId>xalan</groupId>
<artifactId>xalan</artifactId>
<version>2.7.1</version>
</dependency>
<dependency>
<groupId>xerces</groupId>
<artifactId>xercesImpl</artifactId>
<version>2.9.1</version>
</dependency>
<dependency>
<groupId>xml-apis</groupId>
<artifactId>xml-apis</artifactId>
<version>1.3.04</version>
</dependency>
}}}
!Class-Cast-Problem bei ApiProxyLocal
{{{
WARNUNG: failed _ah_ServeBlobFilter: java.lang.ClassCastException: com.google.appengine.tools.development.ApiProxyLocalImpl cannot be cast to com.google.appengine.tools.development.ApiProxyLocal
06.12.2011 10:27:26 com.google.apphosting.utils.jetty.JettyLogger warn
WARNUNG: Failed startup of context com.google.appengine.tools.development.DevAppEngineWebAppContext@b05eb6f{/,C:\Java\workspace\com.intersult\internal\subflow\subflow-war\target\subflow}
java.lang.ClassCastException: com.google.appengine.tools.development.ApiProxyLocalImpl cannot be cast to com.google.appengine.tools.development.ApiProxyLocal
at com.google.appengine.api.blobstore.dev.ServeBlobFilter.init(ServeBlobFilter.java:53)
at org.mortbay.jetty.servlet.FilterHolder.doStart(FilterHolder.java:97)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:662)
at org.mortbay.jetty.servlet.Context.startContext(Context.java:140)
at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1250)
at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:517)
at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:467)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
at org.mortbay.jetty.Server.doStart(Server.java:224)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at com.google.appengine.tools.development.JettyContainerService.startContainer(JettyContainerService.java:191)
at com.google.appengine.tools.development.AbstractContainerService.startup(AbstractContainerService.java:239)
at com.google.appengine.tools.development.DevAppServerImpl.start(DevAppServerImpl.java:146)
at com.google.appengine.tools.development.DevAppServerMain$StartAction.apply(DevAppServerMain.java:164)
at com.google.appengine.tools.util.Parser$ParseResult.applyArgs(Parser.java:48)
at com.google.appengine.tools.development.DevAppServerMain.<init>(DevAppServerMain.java:113)
at com.google.appengine.tools.development.DevAppServerMain.main(DevAppServerMain.java:89)
}}}
Ursache: Die Test-JARs appengine-testing, appengine-api-labs, appengine-api-stubs befinden sich im Classpath.
Lösung: Entfernen der Dependencies aus dem Classpath.
!SDK Utils
Die SDK-Utils enthalten die Kommandozeilen-Utils für die Arbeit mit der GAE. Das Deployment eines WAR-Verzeichnis erfolgt durch:
{{{
appcfg update <exploded war dir>
}}}
Voraussetzung zum Uploaden, ist eine vorhandene Application mit eigener App-Id. Diese App-Id ist in der WEB-INF/appengine-web.xml einzutragen, unter appengine-web-app/application.
Es ist möglich --proxy=<host>[[:<port>] mit anzugeben.