[ome-users] OMERO Client Exception...

[Gernot Stocker]

Hi,
first of all congratulations for your Beta4 releases of OMERO! The installation 
was almost painless and except a small issue regarding the missing sqlite2 
for the webserver everything went fine. I' ve installed Version OMERO-Beta4
-4.0.2 on a Linux box with CentOS 5 and had additionally to install an external 
sqlite2 package from:
ftp://fr.rpmfind.net/linux/dag/redhat/el5/en/i386/dag/RPMS/python-sqlite2-2.3.3-1.el5.rf.i386.rpm
This could be interesting for other CentOS users, too.

Currently I'm trying to get the synchronization of iLAP with for OMERO Beta4 
running. During my stay in Dundee you recommended me to use the "sudo"
mechanisms for "hijacking" user sessions and synchronizing data as admin
in the user context. Basic communication with the server is working and I 
could access methods of e.g. the AdminService without any problems.

I basically followed your example in omero/OmeroClients/sudo.java which 
is working nicely and I get a ServiceFactoryPrx.  With this factory I wanted 
to initialize an OMEROMetadataStoreClient using the initialize method but 
at that point I get the following exception:

ava.lang.VerifyError: (class: ome/formats/model/BlitzInstanceProvider, method: getInstance signature: (Ljava/lang/Class;)Lomero/model/IObject;) Wrong return type in function
	at ome.formats.OMEROMetadataStoreClient.initializeServices(OMEROMetadataStoreClient.java:216)
	at ome.formats.OMEROMetadataStoreClient.initialize(OMEROMetadataStoreClient.java:250)
	at at.tugraz.genome.smile.service.dataobject.postprocessing.omero.OmeroImporter.execPostProcessing(OmeroImporter.java:491)
	at at.tugraz.genome.smile.service.dataobject.postprocessing.PostProcessorRunnerServiceImpl.execPostProcessor(PostProcessorRunnerServiceImpl.java:84)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:304)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149)
	at org.springframework.orm.hibernate3.HibernateInterceptor.invoke(HibernateInterceptor.java:104)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:106)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
	at org.acegisecurity.intercept.method.aopalliance.MethodSecurityInterceptor.invoke(MethodSecurityInterceptor.java:66)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
	at $Proxy1.execPostProcessor(Unknown Source)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:304)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149)
	at org.springframework.remoting.support.RemoteInvocationTraceInterceptor.invoke(RemoteInvocationTraceInterceptor.java:70)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
	at $Proxy1.execPostProcessor(Unknown Source)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at org.springframework.remoting.support.RemoteInvocation.invoke(RemoteInvocation.java:205)
	at org.springframework.remoting.support.DefaultRemoteInvocationExecutor.invoke(DefaultRemoteInvocationExecutor.java:38)
	at org.springframework.remoting.support.RemoteInvocationBasedExporter.invoke(RemoteInvocationBasedExporter.java:76)
	at org.springframework.remoting.support.RemoteInvocationBasedExporter.invokeAndCreateResult(RemoteInvocationBasedExporter.java:112)
	at org.logicblaze.lingo.jms.JmsServiceExporterMessageListener.doInvoke(JmsServiceExporterMessageListener.java:222)
	at org.logicblaze.lingo.jms.JmsServiceExporterMessageListener.onMessage(JmsServiceExporterMessageListener.java:102)
	at org.apache.activemq.ActiveMQMessageConsumer.dispatch(ActiveMQMessageConsumer.java:854)
	at org.apache.activemq.ActiveMQSessionExecutor.dispatch(ActiveMQSessionExecutor.java:99)
	at org.apache.activemq.ActiveMQSessionExecutor.iterate(ActiveMQSessionExecutor.java:166)
	at org.apache.activemq.thread.PooledTaskRunner.runTask(PooledTaskRunner.java:117)
	at org.apache.activemq.thread.PooledTaskRunner.access$100(PooledTaskRunner.java:26)
	at org.apache.activemq.thread.PooledTaskRunner$1.run(PooledTaskRunner.java:44)
	at edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
	at edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
	at java.lang.Thread.run(Thread.java:595)

Do you have an idea what could be the reason for this signature mismatch? The critical lines in 
your client code are:

    private void initializeServices()
    	throws ServerError
    {
       [...]
    	// Client side services
    	enumProvider = new IQueryEnumProvider(iQuery);
    	instanceProvider = new BlitzInstanceProvider(enumProvider);

Thanks in advance,
Gernot
-- 
Gernot Stocker,
Institute for Genomics and Bioinformatics(IGB)
Petersgasse 14, 8010 Graz, Austria
Tel.: +43-316-873-5345
http://genome.tugraz.at
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