Hi there,
I am doing my first steps in GWT and I am fascinated by the
possibilities.
So far I have set up a small project that relies on java classes
supplied in a external library. This library is made available to my
project via maven (own repository).
I want to use Java classes from that library on the client side - so I
had to supply the source code within the jar and had to make sure,
those classes do not use code that's not translateable to Javascript.
So far so good. I finally got past the errors that no source code
could be found.. Now a new error arises during runtime of the web
application:
java.lang.ClassFormatError: Absent Code attribute in method that is
not native or abstract in class file javax/persistence/LockModeType
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(ClassLoader.java:632)
at java.lang.ClassLoader.defineClass(ClassLoader.java:616)
at
java.security.SecureClassLoader.defineClass(SecureClassLoader.java:
141)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Class.java:2427)
at java.lang.Class.getMethod0(Class.java:2670)
at java.lang.Class.getMethod(Class.java:1603)
at
com.google.gwt.dev.javac.TypeOracleMediator.createAnnotation(TypeOracleMediator.java:
463)
at
com.google.gwt.dev.javac.TypeOracleMediator.resolveAnnotationValue(TypeOracleMediator.java:
725)
at
com.google.gwt.dev.javac.TypeOracleMediator.resolveAnnotationValue(TypeOracleMediator.java:
681)
at
com.google.gwt.dev.javac.TypeOracleMediator.createAnnotation(TypeOracleMediator.java:
474)
at
com.google.gwt.dev.javac.TypeOracleMediator.resolveAnnotation(TypeOracleMediator.java:
640)
at
com.google.gwt.dev.javac.TypeOracleMediator.resolveAnnotations(TypeOracleMediator.java:
655)
at
com.google.gwt.dev.javac.TypeOracleMediator.resolveClass(TypeOracleMediator.java:
801)
at
com.google.gwt.dev.javac.TypeOracleMediator.addNewTypes(TypeOracleMediator.java:
416)
at
com.google.gwt.dev.javac.TypeOracleMediatorFromSource.addNewUnits(TypeOracleMediatorFromSource.java:
54)
at
com.google.gwt.dev.javac.CompilationState.assimilateUnits(CompilationState.java:
164)
at
com.google.gwt.dev.javac.CompilationState.<init>(CompilationState.java:
82)
at
com.google.gwt.dev.javac.CompilationStateBuilder.doBuildFrom(CompilationStateBuilder.java:
409)
at
com.google.gwt.dev.javac.CompilationStateBuilder.buildFrom(CompilationStateBuilder.java:
299)
at
com.google.gwt.dev.cfg.ModuleDef.getCompilationState(ModuleDef.java:
325)
at com.google.gwt.dev.DevModeBase
$UiBrowserWidgetHostImpl.createModuleSpaceHost(DevModeBase.java:105)
at
com.google.gwt.dev.shell.OophmSessionHandler.loadModule(OophmSessionHandler.java:
190)
at
com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:
510)
at
com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:
352)
at java.lang.Thread.run(Thread.java:680)
I use Eclipse (Helios) and the Eclipse GWT-PLugin. The Web app is
hosted by the internal App Server. JDK is 1.6 on Mac OS X.
Any ideas on this?
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