We have 'could not deserialize' issue during Perforce checkout. This issue happens from time to time but introduces noise in our system which our customers are complaining about.

Please let us know what could we do to get rid of such issues.

Below is stack trace with this error:

org.hibernate.type.SerializationException: could not deserialize
        at org.hibernate.util.SerializationHelper.doDeserialize(SerializationHelper.java:253)
        at org.hibernate.util.SerializationHelper.deserialize(SerializationHelper.java:284)
        at com.pmease.quickbuild.persistence.AgentQueryCarrier.invoke(AgentQueryCarrier.java:59)
        at com.sun.proxy.$Proxy22.uniqueResult(Unknown Source)
        at com.pmease.quickbuild.entitymanager.impl.DefaultBuildManager.getPrevious(DefaultBuildManager.java:128)
        at com.pmease.quickbuild.persistence.SessionInterceptor.invoke(SessionInterceptor.java:49)
        at com.pmease.quickbuild.model.Build.getPrevious(Build.java:869)
        at com.pmease.quickbuild.model.Build.getChangeBase(Build.java:1284)
        at com.pmease.quickbuild.repositorysupport.Repository.getChanges(Repository.java:393)
        at com.pmease.quickbuild.plugin.scm.perforce.PerforceRepository$$EnhancerByCGLIB$$26b7fb37.CGLIB$getChanges$78(<generated>)
        at com.pmease.quickbuild.plugin.scm.perforce.PerforceRepository$$EnhancerByCGLIB$$26b7fb37$$FastClassByCGLIB$$d63b8bfc.invoke(<generated>)
        at net.sf.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:215)
        at com.pmease.quickbuild.DefaultScriptEngine$Interpolator.intercept(DefaultScriptEngine.java:273)
        at com.pmease.quickbuild.plugin.scm.perforce.PerforceRepository$$EnhancerByCGLIB$$26b7fb37.getChanges(<generated>)
        at com.pmease.quickbuild.repositorysupport.Repository.getChanges(Repository.java:367)
        at com.pmease.quickbuild.plugin.scm.perforce.PerforceRepository$$EnhancerByCGLIB$$26b7fb37.CGLIB$getChanges$79(<generated>)
        at com.pmease.quickbuild.plugin.scm.perforce.PerforceRepository$$EnhancerByCGLIB$$26b7fb37$$FastClassByCGLIB$$d63b8bfc.invoke(<generated>)
        at net.sf.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:215)
        at com.pmease.quickbuild.DefaultScriptEngine$Interpolator.intercept(DefaultScriptEngine.java:273)
        at com.pmease.quickbuild.plugin.scm.perforce.PerforceRepository$$EnhancerByCGLIB$$26b7fb37.getChanges(<generated>)
        at com.pmease.quickbuild.repositorysupport.Repository.checkout(Repository.java:211)
        at com.pmease.quickbuild.plugin.scm.perforce.PerforceRepository$$EnhancerByCGLIB$$26b7fb37.CGLIB$checkout$86(<generated>)
        at com.pmease.quickbuild.plugin.scm.perforce.PerforceRepository$$EnhancerByCGLIB$$26b7fb37$$FastClassByCGLIB$$d63b8bfc.invoke(<generated>)
        at net.sf.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:215)
        at com.pmease.quickbuild.DefaultScriptEngine$Interpolator.intercept(DefaultScriptEngine.java:273)
        at com.pmease.quickbuild.plugin.scm.perforce.PerforceRepository$$EnhancerByCGLIB$$26b7fb37.checkout(<generated>)
        at com.pmease.quickbuild.repositorysupport.CheckoutStep.run(CheckoutStep.java:70)
        at com.pmease.quickbuild.repositorysupport.CheckoutStep$$EnhancerByCGLIB$$ca33999c.CGLIB$run$0(<generated>)
        at com.pmease.quickbuild.repositorysupport.CheckoutStep$$EnhancerByCGLIB$$ca33999c$$FastClassByCGLIB$$2da190dc.invoke(<generated>)
        at net.sf.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:215)
        at com.pmease.quickbuild.DefaultScriptEngine$Interpolator.intercept(DefaultScriptEngine.java:273)
        at com.pmease.quickbuild.repositorysupport.CheckoutStep$$EnhancerByCGLIB$$ca33999c.run(<generated>)
        at com.pmease.quickbuild.stepsupport.Step.execute(Step.java:539)
        at com.pmease.quickbuild.stepsupport.StepExecutionJob.executeStepAwareJob(StepExecutionJob.java:31)
        at com.pmease.quickbuild.stepsupport.StepAwareJob.executeBuildAwareJob(StepAwareJob.java:47)
        at com.pmease.quickbuild.BuildAwareJob.execute(BuildAwareJob.java:61)
        at com.pmease.quickbuild.grid.GridJob.run(GridJob.java:71)
        at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
        at java.util.concurrent.FutureTask.run(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
        at java.lang.Thread.run(Unknown Source)
    Caused by: java.io.EOFException
        at java.io.ObjectInputStream$PeekInputStream.readFully(Unknown Source)
        at java.io.ObjectInputStream$BlockDataInputStream.readUTFBody(Unknown Source)
        at java.io.ObjectInputStream$BlockDataInputStream.readUTF(Unknown Source)
        at java.io.ObjectInputStream.readString(Unknown Source)
        at java.io.ObjectInputStream.readObject0(Unknown Source)
        at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
        at java.io.ObjectInputStream.readSerialData(Unknown Source)
        at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
        at java.io.ObjectInputStream.readObject0(Unknown Source)
        at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
        at java.io.ObjectInputStream.readSerialData(Unknown Source)
        at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
        at java.io.ObjectInputStream.readObject0(Unknown Source)
        at java.io.ObjectInputStream.readObject(Unknown Source)
        at java.util.ArrayList.readObject(Unknown Source)
        at sun.reflect.GeneratedMethodAccessor2821.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at java.io.ObjectStreamClass.invokeReadObject(Unknown Source)
        at java.io.ObjectInputStream.readSerialData(Unknown Source)
        at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
        at java.io.ObjectInputStream.readObject0(Unknown Source)
        at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
        at java.io.ObjectInputStream.readSerialData(Unknown Source)
        at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
        at java.io.ObjectInputStream.readObject0(Unknown Source)
        at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
        at java.io.ObjectInputStream.readSerialData(Unknown Source)
        at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
        at java.io.ObjectInputStream.readObject0(Unknown Source)
        at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
        at java.io.ObjectInputStream.readSerialData(Unknown Source)
        at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
        at java.io.ObjectInputStream.readObject0(Unknown Source)
        at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
        at java.io.ObjectInputStream.readSerialData(Unknown Source)
        at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
        at java.io.ObjectInputStream.readObject0(Unknown Source)
        at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
        at java.io.ObjectInputStream.readSerialData(Unknown Source)
        at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
        at java.io.ObjectInputStream.readObject0(Unknown Source)
        at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
        at java.io.ObjectInputStream.defaultReadObject(Unknown Source)
        at com.pmease.quickbuild.model.Build.readObject(Build.java:1338)
        at sun.reflect.GeneratedMethodAccessor2893.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at java.io.ObjectStreamClass.invokeReadObject(Unknown Source)
        at java.io.ObjectInputStream.readSerialData(Unknown Source)
        at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
        at java.io.ObjectInputStream.readObject0(Unknown Source)
        at java.io.ObjectInputStream.readObject(Unknown Source)
        at org.hibernate.util.SerializationHelper.doDeserialize(SerializationHelper.java:247)
        ... 41 more