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1. Re: What causes this error during marshaller generation: RuntimeException: no such field: null?
cbrock Apr 10, 2012 9:27 PM (in response to navigateur)Do you have a fuller stacktrace, at least? Also, what is the exact version you're using?
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2. Re: What causes this error during marshaller generation: RuntimeException: no such field: null?
navigateur Apr 14, 2012 7:48 AM (in response to cbrock)Mike, it's 2.0.Beta3 and it's
00:05:11.500 [ERROR] Error generating marshallers
org.jboss.errai.codegen.framework.exception.GenerationException: Error Building Statement
at org.jboss.errai.codegen.framework.builder.impl.AbstractStatementBuilder$1.handleCall(AbstractStatementBuilder.java:87)
at org.jboss.errai.codegen.framework.builder.callstack.AbstractCallElement.nextOrReturn(AbstractCallElement.java:41)
at org.jboss.errai.codegen.framework.builder.callstack.LoadVariable.handleCall(LoadVariable.java:126)
at org.jboss.errai.codegen.framework.builder.impl.AbstractStatementBuilder$1.handleCall(AbstractStatementBuilder.java:81)
at org.jboss.errai.codegen.framework.builder.impl.AbstractStatementBuilder.generate(AbstractStatementBuilder.java:64)
at org.jboss.errai.codegen.framework.BlockStatement.generate(BlockStatement.java:67)
at org.jboss.errai.codegen.framework.control.TryBlock.generate(TryBlock.java:59)
at org.jboss.errai.codegen.framework.builder.impl.TryBlockBuilderImpl$1.doDeferred(TryBlockBuilderImpl.java:54)
at org.jboss.errai.codegen.framework.builder.callstack.DeferredCallElement.handleCall(DeferredCallElement.java:37)
at org.jboss.errai.codegen.framework.builder.impl.AbstractStatementBuilder$1.handleCall(AbstractStatementBuilder.java:81)
at org.jboss.errai.codegen.framework.builder.impl.AbstractStatementBuilder.generate(AbstractStatementBuilder.java:64)
at org.jboss.errai.codegen.framework.BlockStatement.generate(BlockStatement.java:67)
at org.jboss.errai.codegen.framework.builder.impl.AnonymousClassStructureBuilderImpl$2$1.doGenerate(AnonymousClassStructureBuilderImpl.java:109)
at org.jboss.errai.codegen.framework.builder.impl.AnonymousClassStructureBuilderImpl.doGenerate(AnonymousClassStructureBuilderImpl.java:180)
at org.jboss.errai.codegen.framework.builder.impl.AnonymousClassStructureBuilderImpl.access$200(AnonymousClassStructureBuilderImpl.java:43)
at org.jboss.errai.codegen.framework.builder.impl.AnonymousClassStructureBuilderImpl$3.generate(AnonymousClassStructureBuilderImpl.java:148)
at org.jboss.errai.codegen.framework.builder.impl.ObjectBuilder$2.doDeferred(ObjectBuilder.java:166)
at org.jboss.errai.codegen.framework.builder.callstack.DeferredCallElement.handleCall(DeferredCallElement.java:37)
at org.jboss.errai.codegen.framework.builder.impl.AbstractStatementBuilder$1.handleCall(AbstractStatementBuilder.java:81)
at org.jboss.errai.codegen.framework.builder.callstack.AbstractCallElement.nextOrReturn(AbstractCallElement.java:41)
at org.jboss.errai.codegen.framework.builder.callstack.ResetCallElement.handleCall(ResetCallElement.java:29)
at org.jboss.errai.codegen.framework.builder.impl.AbstractStatementBuilder$1.handleCall(AbstractStatementBuilder.java:81)
at org.jboss.errai.codegen.framework.builder.impl.AbstractStatementBuilder.generate(AbstractStatementBuilder.java:64)
at org.jboss.errai.codegen.framework.builder.impl.ObjectBuilder.generate(ObjectBuilder.java:174)
at org.jboss.errai.codegen.framework.util.GenUtil.generate(GenUtil.java:138)
at org.jboss.errai.codegen.framework.builder.callstack.AssignVariable.handleCall(AssignVariable.java:45)
at org.jboss.errai.codegen.framework.builder.impl.AbstractStatementBuilder$1.handleCall(AbstractStatementBuilder.java:81)
at org.jboss.errai.codegen.framework.builder.callstack.AbstractCallElement.nextOrReturn(AbstractCallElement.java:41)
at org.jboss.errai.codegen.framework.builder.callstack.LoadVariable.handleCall(LoadVariable.java:126)
at org.jboss.errai.codegen.framework.builder.impl.AbstractStatementBuilder$1.handleCall(AbstractStatementBuilder.java:81)
at org.jboss.errai.codegen.framework.builder.impl.AbstractStatementBuilder.generate(AbstractStatementBuilder.java:64)
at org.jboss.errai.codegen.framework.BlockStatement.generate(BlockStatement.java:67)
at org.jboss.errai.codegen.framework.meta.impl.build.BuildMetaConstructor.toJavaString(BuildMetaConstructor.java:241)
at org.jboss.errai.codegen.framework.meta.impl.build.BuildMetaClass.membersToString(BuildMetaClass.java:620)
at org.jboss.errai.codegen.framework.meta.impl.build.BuildMetaClass.toJavaString(BuildMetaClass.java:565)
at org.jboss.errai.codegen.framework.builder.impl.ClassBuilder.toJavaString(ClassBuilder.java:484)
at org.jboss.errai.marshalling.rebind.MarshallerGeneratorFactory._generate(MarshallerGeneratorFactory.java:232)
at org.jboss.errai.marshalling.rebind.MarshallerGeneratorFactory.generate(MarshallerGeneratorFactory.java:106)
at org.jboss.errai.marshalling.rebind.MarshallersGenerator._generate(MarshallersGenerator.java:260)
at org.jboss.errai.marshalling.rebind.MarshallersGenerator.generateMarshallerBootstrapper(MarshallersGenerator.java:250)
at org.jboss.errai.marshalling.rebind.MarshallersGenerator.generate(MarshallersGenerator.java:235)
at com.google.gwt.core.ext.GeneratorExtWrapper.generate(GeneratorExtWrapper.java:48)
at com.google.gwt.core.ext.GeneratorExtWrapper.generateIncrementally(GeneratorExtWrapper.java:60)
at com.google.gwt.dev.javac.StandardGeneratorContext.runGeneratorIncrementally(StandardGeneratorContext.java:647)
at com.google.gwt.dev.cfg.RuleGenerateWith.realize(RuleGenerateWith.java:41)
at com.google.gwt.dev.shell.StandardRebindOracle$Rebinder.rebind(StandardRebindOracle.java:78)
at com.google.gwt.dev.shell.StandardRebindOracle.rebind(StandardRebindOracle.java:268)
at com.google.gwt.dev.shell.ShellModuleSpaceHost.rebind(ShellModuleSpaceHost.java:141)
at com.google.gwt.dev.shell.ModuleSpace.rebind(ModuleSpace.java:585)
at com.google.gwt.dev.shell.ModuleSpace.rebindAndCreate(ModuleSpace.java:455)
at com.google.gwt.dev.shell.GWTBridgeImpl.create(GWTBridgeImpl.java:49)
at com.google.gwt.core.client.GWT.create(GWT.java:97)
at org.jboss.errai.marshalling.client.api.MarshallerFramework.<clinit>(MarshallerFramework.java:43)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:264)
at com.google.gwt.dev.shell.ModuleSpace.loadClassFromSourceName(ModuleSpace.java:654)
at com.google.gwt.dev.shell.ModuleSpace.onLoad(ModuleSpace.java:363)
at com.google.gwt.dev.shell.OophmSessionHandler.loadModule(OophmSessionHandler.java:200)
at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:525)
at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:363)
at java.lang.Thread.run(Thread.java:722)
Caused by: java.lang.RuntimeException: no such field: null
at org.jboss.errai.codegen.framework.meta.impl.gwt.GWTClass.getField(GWTClass.java:309)
at org.jboss.errai.codegen.framework.meta.impl.gwt.GWTClass.getDeclaredField(GWTClass.java:317)
at org.jboss.errai.codegen.framework.builder.callstack.LoadField.handleCall(LoadField.java:46)
at org.jboss.errai.codegen.framework.builder.impl.AbstractStatementBuilder$1.handleCall(AbstractStatementBuilder.java:81)
at org.jboss.errai.codegen.framework.builder.callstack.AbstractCallElement.nextOrReturn(AbstractCallElement.java:41)
at org.jboss.errai.codegen.framework.builder.callstack.LoadVariable.handleCall(LoadVariable.java:126)
at org.jboss.errai.codegen.framework.builder.impl.AbstractStatementBuilder$1.handleCall(AbstractStatementBuilder.java:81)
at org.jboss.errai.codegen.framework.builder.impl.AbstractStatementBuilder.generate(AbstractStatementBuilder.java:64)
at org.jboss.errai.codegen.framework.BlockStatement.generate(BlockStatement.java:67)
at org.jboss.errai.codegen.framework.control.TryBlock.generate(TryBlock.java:59)
at org.jboss.errai.codegen.framework.builder.impl.TryBlockBuilderImpl$1.doDeferred(TryBlockBuilderImpl.java:54)
at org.jboss.errai.codegen.framework.builder.callstack.DeferredCallElement.handleCall(DeferredCallElement.java:37)
at org.jboss.errai.codegen.framework.builder.impl.AbstractStatementBuilder$1.handleCall(AbstractStatementBuilder.java:81)
at org.jboss.errai.codegen.framework.builder.impl.AbstractStatementBuilder.generate(AbstractStatementBuilder.java:64)
at org.jboss.errai.codegen.framework.BlockStatement.generate(BlockStatement.java:67)
at org.jboss.errai.codegen.framework.builder.impl.AnonymousClassStructureBuilderImpl$2$1.doGenerate(AnonymousClassStructureBuilderImpl.java:109)
at org.jboss.errai.codegen.framework.builder.impl.AnonymousClassStructureBuilderImpl.doGenerate(AnonymousClassStructureBuilderImpl.java:180)
at org.jboss.errai.codegen.framework.builder.impl.AnonymousClassStructureBuilderImpl.access$200(AnonymousClassStructureBuilderImpl.java:43)
at org.jboss.errai.codegen.framework.builder.impl.AnonymousClassStructureBuilderImpl$3.generate(AnonymousClassStructureBuilderImpl.java:148)
at org.jboss.errai.codegen.framework.builder.impl.ObjectBuilder$2.doDeferred(ObjectBuilder.java:166)
at org.jboss.errai.codegen.framework.builder.callstack.DeferredCallElement.handleCall(DeferredCallElement.java:37)
at org.jboss.errai.codegen.framework.builder.impl.AbstractStatementBuilder$1.handleCall(AbstractStatementBuilder.java:81)
at org.jboss.errai.codegen.framework.builder.callstack.AbstractCallElement.nextOrReturn(AbstractCallElement.java:41)
at org.jboss.errai.codegen.framework.builder.callstack.ResetCallElement.handleCall(ResetCallElement.java:29)
at org.jboss.errai.codegen.framework.builder.impl.AbstractStatementBuilder$1.handleCall(AbstractStatementBuilder.java:81)
at org.jboss.errai.codegen.framework.builder.impl.AbstractStatementBuilder.generate(AbstractStatementBuilder.java:64)
at org.jboss.errai.codegen.framework.builder.impl.ObjectBuilder.generate(ObjectBuilder.java:174)
at org.jboss.errai.codegen.framework.util.GenUtil.generate(GenUtil.java:138)
at org.jboss.errai.codegen.framework.builder.callstack.AssignVariable.handleCall(AssignVariable.java:45)
at org.jboss.errai.codegen.framework.builder.impl.AbstractStatementBuilder$1.handleCall(AbstractStatementBuilder.java:81)
at org.jboss.errai.codegen.framework.builder.callstack.AbstractCallElement.nextOrReturn(AbstractCallElement.java:41)
at org.jboss.errai.codegen.framework.builder.callstack.LoadVariable.handleCall(LoadVariable.java:126)
at org.jboss.errai.codegen.framework.builder.impl.AbstractStatementBuilder$1.handleCall(AbstractStatementBuilder.java:81)
at org.jboss.errai.codegen.framework.builder.impl.AbstractStatementBuilder.generate(AbstractStatementBuilder.java:64)
at org.jboss.errai.codegen.framework.BlockStatement.generate(BlockStatement.java:67)
at org.jboss.errai.codegen.framework.meta.impl.build.BuildMetaConstructor.toJavaString(BuildMetaConstructor.java:241)
at org.jboss.errai.codegen.framework.meta.impl.build.BuildMetaClass.membersToString(BuildMetaClass.java:620)
at org.jboss.errai.codegen.framework.meta.impl.build.BuildMetaClass.toJavaString(BuildMetaClass.java:565)
at org.jboss.errai.codegen.framework.builder.impl.ClassBuilder.toJavaString(ClassBuilder.java:484)
at org.jboss.errai.marshalling.rebind.MarshallerGeneratorFactory._generate(MarshallerGeneratorFactory.java:232)
at org.jboss.errai.marshalling.rebind.MarshallerGeneratorFactory.generate(MarshallerGeneratorFactory.java:106)
at org.jboss.errai.marshalling.rebind.MarshallersGenerator._generate(MarshallersGenerator.java:260)
at org.jboss.errai.marshalling.rebind.MarshallersGenerator.generateMarshallerBootstrapper(MarshallersGenerator.java:250)
at org.jboss.errai.marshalling.rebind.MarshallersGenerator.generate(MarshallersGenerator.java:235)
at com.google.gwt.core.ext.GeneratorExtWrapper.generate(GeneratorExtWrapper.java:48)
at com.google.gwt.core.ext.GeneratorExtWrapper.generateIncrementally(GeneratorExtWrapper.java:60)
at com.google.gwt.dev.javac.StandardGeneratorContext.runGeneratorIncrementally(StandardGeneratorContext.java:647)
at com.google.gwt.dev.cfg.RuleGenerateWith.realize(RuleGenerateWith.java:41)
at com.google.gwt.dev.shell.StandardRebindOracle$Rebinder.rebind(StandardRebindOracle.java:78)
at com.google.gwt.dev.shell.StandardRebindOracle.rebind(StandardRebindOracle.java:268)
at com.google.gwt.dev.shell.ShellModuleSpaceHost.rebind(ShellModuleSpaceHost.java:141)
at com.google.gwt.dev.shell.ModuleSpace.rebind(ModuleSpace.java:585)
at com.google.gwt.dev.shell.ModuleSpace.rebindAndCreate(ModuleSpace.java:455)
at com.google.gwt.dev.shell.GWTBridgeImpl.create(GWTBridgeImpl.java:49)
at com.google.gwt.core.client.GWT.create(GWT.java:97)
at org.jboss.errai.marshalling.client.api.MarshallerFramework.<clinit>(MarshallerFramework.java:43)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:264)
at com.google.gwt.dev.shell.ModuleSpace.loadClassFromSourceName(ModuleSpace.java:654)
at com.google.gwt.dev.shell.ModuleSpace.onLoad(ModuleSpace.java:363)
at com.google.gwt.dev.shell.OophmSessionHandler.loadModule(OophmSessionHandler.java:200)
at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:525)
at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:363)
at java.lang.Thread.run(Thread.java:722)What could I possibly be missing? It's probably something really obvious.
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3. Re: What causes this error during marshaller generation: RuntimeException: no such field: null?
cbrock Apr 23, 2012 1:26 AM (in response to navigateur)Has this been tried on beta4 or CR1?
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4. Re: What causes this error during marshaller generation: RuntimeException: no such field: null?
navigateur Apr 26, 2012 1:43 PM (in response to cbrock)Mike,
The problem persists exactly the same in CR1. Have you any clue what (probably tiny thing) I might be missing or doing wrong?
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5. Re: What causes this error during marshaller generation: RuntimeException: no such field: null?
cbrock Apr 26, 2012 2:50 PM (in response to navigateur)Is there any way we can see your portable classes?
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6. Re: What causes this error during marshaller generation: RuntimeException: no such field: null?
navigateur Jun 23, 2012 3:59 AM (in response to cbrock)Hi, Mike, after updating from Errai 2.0-RC1 to Errai 2.0-final the error now seems a little more specific:
java.lang.RuntimeException: no such field: id in class: com.mypackage.SubObject
at org.jboss.errai.codegen.meta.impl.gwt.GWTClass.getField(GWTClass.java:281)
at org.jboss.errai.codegen.meta.impl.gwt.GWTClass.getDeclaredField(GWTClass.java:289)
at org.jboss.errai.codegen.builder.callstack.LoadField.handleCall(LoadField.java:46)
at org.jboss.errai.codegen.builder.callstack.AbstractCallElement.nextOrReturn(AbstractCallElement.java:46)
at org.jboss.errai.codegen.builder.callstack.LoadVariable.handleCall(LoadVariable.java:122)
at org.jboss.errai.codegen.builder.impl.AbstractStatementBuilder.generate(AbstractStatementBuilder.java:63)
at org.jboss.errai.codegen.BlockStatement.generate(BlockStatement.java:67)
at org.jboss.errai.codegen.control.TryBlock.generate(TryBlock.java:59)
at org.jboss.errai.codegen.builder.impl.TryBlockBuilderImpl$1.doDeferred(TryBlockBuilderImpl.java:54)
at org.jboss.errai.codegen.builder.callstack.DeferredCallElement.handleCall(DeferredCallElement.java:39)
at org.jboss.errai.codegen.builder.impl.AbstractStatementBuilder.generate(AbstractStatementBuilder.java:63)
at org.jboss.errai.codegen.BlockStatement.generate(BlockStatement.java:67)
at org.jboss.errai.codegen.builder.impl.AnonymousClassStructureBuilderImpl$2$1.doGenerate(AnonymousClassStructureBuilderImpl.java:109)
at org.jboss.errai.codegen.builder.impl.AnonymousClassStructureBuilderImpl.doGenerate(AnonymousClassStructureBuilderImpl.java:180)
at org.jboss.errai.codegen.builder.impl.AnonymousClassStructureBuilderImpl.access$200(AnonymousClassStructureBuilderImpl.java:43)
at org.jboss.errai.codegen.builder.impl.AnonymousClassStructureBuilderImpl$3.generate(AnonymousClassStructureBuilderImpl.java:148)
at org.jboss.errai.codegen.builder.impl.ObjectBuilder$2.doDeferred(ObjectBuilder.java:172)
at org.jboss.errai.codegen.builder.callstack.DeferredCallElement.handleCall(DeferredCallElement.java:39)
at org.jboss.errai.codegen.builder.callstack.AbstractCallElement.nextOrReturn(AbstractCallElement.java:46)
at org.jboss.errai.codegen.builder.callstack.ResetCallElement.handleCall(ResetCallElement.java:29)
at org.jboss.errai.codegen.builder.impl.AbstractStatementBuilder.generate(AbstractStatementBuilder.java:63)
at org.jboss.errai.codegen.builder.impl.ObjectBuilder.generate(ObjectBuilder.java:180)
at org.jboss.errai.codegen.util.GenUtil.generate(GenUtil.java:138)
at org.jboss.errai.codegen.builder.callstack.AssignVariable.handleCall(AssignVariable.java:46)
at org.jboss.errai.codegen.builder.callstack.AbstractCallElement.nextOrReturn(AbstractCallElement.java:46)
at org.jboss.errai.codegen.builder.callstack.LoadVariable.handleCall(LoadVariable.java:122)
at org.jboss.errai.codegen.builder.impl.AbstractStatementBuilder.generate(AbstractStatementBuilder.java:63)
at org.jboss.errai.codegen.BlockStatement.generate(BlockStatement.java:67)
at org.jboss.errai.codegen.meta.impl.build.BuildMetaConstructor.toJavaString(BuildMetaConstructor.java:278)
at org.jboss.errai.codegen.meta.impl.build.BuildMetaClass.membersToString(BuildMetaClass.java:631)
at org.jboss.errai.codegen.meta.impl.build.BuildMetaClass.toJavaString(BuildMetaClass.java:576)
at org.jboss.errai.codegen.builder.impl.ClassBuilder.toJavaString(ClassBuilder.java:486)
at org.jboss.errai.marshalling.rebind.MarshallerGeneratorFactory._generate(MarshallerGeneratorFactory.java:222)
at org.jboss.errai.marshalling.rebind.MarshallerGeneratorFactory.generate(MarshallerGeneratorFactory.java:103)
at org.jboss.errai.marshalling.rebind.MarshallersGenerator._generate(MarshallersGenerator.java:259)
at org.jboss.errai.marshalling.rebind.MarshallersGenerator.generateMarshallerBootstrapper(MarshallersGenerator.java:237)
at org.jboss.errai.marshalling.rebind.MarshallersGenerator.generate(MarshallersGenerator.java:222)
at com.google.gwt.core.ext.GeneratorExtWrapper.generate(GeneratorExtWrapper.java:48)
at com.google.gwt.core.ext.GeneratorExtWrapper.generateIncrementally(GeneratorExtWrapper.java:60)
at com.google.gwt.dev.javac.StandardGeneratorContext.runGeneratorIncrementally(StandardGeneratorContext.java:647)
at com.google.gwt.dev.cfg.RuleGenerateWith.realize(RuleGenerateWith.java:41)
at com.google.gwt.dev.shell.StandardRebindOracle$Rebinder.rebind(StandardRebindOracle.java:78)
at com.google.gwt.dev.shell.StandardRebindOracle.rebind(StandardRebindOracle.java:268)
at com.google.gwt.dev.shell.ShellModuleSpaceHost.rebind(ShellModuleSpaceHost.java:141)
at com.google.gwt.dev.shell.ModuleSpace.rebind(ModuleSpace.java:585)
at com.google.gwt.dev.shell.ModuleSpace.rebindAndCreate(ModuleSpace.java:455)
at com.google.gwt.dev.shell.GWTBridgeImpl.create(GWTBridgeImpl.java:49)
at com.google.gwt.core.client.GWT.create(GWT.java:97)
at org.jboss.errai.marshalling.client.api.MarshallerFramework.<clinit>(MarshallerFramework.java:42)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:264)
at com.google.gwt.dev.shell.ModuleSpace.loadClassFromSourceName(ModuleSpace.java:654)
at com.google.gwt.dev.shell.ModuleSpace.onLoad(ModuleSpace.java:363)
at com.google.gwt.dev.shell.OophmSessionHandler.loadModule(OophmSessionHandler.java:200)
at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:525)
at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:363)
at java.lang.Thread.run(Thread.java:722)
I'm using:
{code}
@Portable
public class SubObject extends ParentObject{
public SubObject(){
super();
}
}
public abstract class ParentObject{
public ParentObject(){}
public Id id;
public Id getId(){
return this.id;
}
public void setId(Id id){
this.id = id;
}
}
@Portable
public class Id{
IntegerChain firstInteger=new IntegerChain(0);
int length=1;
public IntegerChain getFirstInteger() {
return firstInteger;
}
public void setFirstInteger(IntegerChain firstInteger) {
this.firstInteger = firstInteger;
}
public int getLength() {
return length;
}
public void setLength(int length) {
this.length = length;
}
public Id(){}
}
@Portable
public class IntegerChain{
int integer = 0;
IntegerChain next=null;
public int getInteger() {
return integer;
}
public void setInteger(int integer) {
this.integer = integer;
}
public IntegerChain getNext() {
return next;
}
public void setNext(IntegerChain next) {
this.next = next;
}
public IntegerChain(int integer){
this.integer=integer;
}
public IntegerChain(){
this.integer=0;
}
}
{code}
?
If these are ok, then what (probably tiny thing) could be raising the above error?
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7. Re: What causes this error during marshaller generation: RuntimeException: no such field: null?
navigateur Jun 24, 2012 1:24 PM (in response to navigateur)Can anybody see anything wrong with the above classes to give me this error? If not, what (probably tiny thing) could be raising it?
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8. Re: What causes this error during marshaller generation: RuntimeException: no such field: null?
navigateur Jun 25, 2012 10:15 AM (in response to navigateur)The problem seemed to go when I removed "public" from the abstract class variables, but then I got a new error ("FileNotFoundException: .../ServerMarshallingFactoryImpl.class"). Is disallowing public variables a necessary restriction? It didn't seem to exist in errai 1.3.