How can I store in cache an special object

Hi,
     I am trying to store in coherence an OMElement object (axis2)
     the object is something like this:
     <tns:record mlns:tns="urn:mycompany.com:eng/myproj/myver">
     <tns:logRecord>
     <tns:event>
     <tns:id>1111111</tns:id>
     <tns:eid>5003</tns:eid>
     </tns:event>
     </tns:logRecord>
     </tns:record>
     but I get this error when I try to store it in the cache
     Exception
     java.lang.IllegalArgumentException: Resource is not serializable: Key=1111111, Value=<tns:record mlns:tns="urn:mycompany.com:eng/myproj/myver"><tns:logRecord><tns:event><tns:id>1111111</tns:id><tns:eid>5003</tns:eid></tns:event></tns:logRecord></tns:record>
          at com.tangosol.coherence.component.util.daemon.queueProcessor.service.ReplicatedCache.updateResource(ReplicatedCache.CDB:7)
          at com.tangosol.coherence.component.util.CacheHandler.put(CacheHandler.CDB:11)
          at com.tangosol.coherence.component.util.CacheHandler.put(CacheHandler.CDB:1)
          at com.tangosol.coherence.component.util.SafeNamedCache.put(SafeNamedCache.CDB:1)
          at com.adteractive.idservice.caching.TimeExpirableCoherenceCache.put(TimeExpirableCoherenceCache.java:46)
          at com.adteractive.idservice.service.SetGetSessionData_Cache.testSetGetSessionData(SetGetSessionData_Cache.java:65)
          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 junit.framework.TestCase.runTest(TestCase.java:164)
          at junit.framework.TestCase.runBare(TestCase.java:130)
          at junit.framework.TestResult$1.protect(TestResult.java:110)
          at junit.framework.TestResult.runProtected(TestResult.java:128)
          at junit.framework.TestResult.run(TestResult.java:113)
          at junit.framework.TestCase.run(TestCase.java:120)
          at junit.framework.TestSuite.runTest(TestSuite.java:228)
          at junit.framework.TestSuite.run(TestSuite.java:223)
          at org.junit.internal.runners.OldTestClassRunner.run(OldTestClassRunner.java:35)
          at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:38)
          at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
          at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)
          at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)
          at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)
          at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)
     public class CoherenceCache {
          private NamedCache cache = CacheFactory.getCache("VirtualCache");
          public void put(IdKey element, Object sessionObject) {
          this.cache.put(element.getId(), sessionObject, this.expirationTimePeriodInMillis);
     Is there any way I can trick him to store this object in the cache?

Hi Momo,
     I don't exactly understand. Do you want to store the data represented by the OMElement into the cache or not?
     If you do, then the next question is can you from your code iterate over all its fields, and most importantly, are you able to recreate an identical object from those data manuallly, or not?
     If you are not able to do that, then you will not be able to put that object in the cache, or most particularly you will not be able recreate it upon getting it from the cache.
     As the OMElement and its family is an interface representing Axis2-specific stuff, you should try to find a way in Axis2 documentation to serialize data to a stream AND deserialize it back from the stream to a new object. If you cannot find such a way, there is probably a reason to that.
     If you can find a way, then you just serialize to a byte[] with the help of a ByteArrayOutputStream and in the writeExternal method you simply write that byte[] to the DataOutput via the ExternalizableHelper.writeByteArray() method. Similarly, you can read back the byte[] from the DataInput via the ExternalizableHelper.readByteArray() method, and then deserialize from a ByteArrayInputStream constructed with that byte[].
     Of course I may be wrong.
     Best regards,
     Robert

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