RE: Exception in Hessian Serialization

I guess there is not much interest in the hessian interest list.
Is there another forum that addresses hessian issues?

I am still experiencing my strange file transfer problem with with Hessian.

I am trying to send a serialized file through Hessian. Where previously
one of my file transfers worked and another failed, despite using the
same code, now they both fail.

Any help would be appreciated.

Windows XP SP2, JDK1.4.2_05, latest version Hessian

Stack Trace:
java.lang.reflect.InvocationTargetException
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
    at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:274)
    at
com.caucho.hessian.io.JavaDeserializer.instantiate(JavaDeserializer.java:168)
    at
com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:103)
    at com.caucho.hessian.io.HessianInput.readObject(HessianInput.java:995)
    at
com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:128)
    at
com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:105)
    at
com.caucho.hessian.io.SerializerFactory.readMap(SerializerFactory.java:222)
    at com.caucho.hessian.io.HessianInput.readObject(HessianInput.java:1120)
    at
com.caucho.hessian.io.CollectionDeserializer.readList(CollectionDeserializer.java:106)
    at com.caucho.hessian.io.HessianInput.readObject(HessianInput.java:1015)
    at
com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:128)
    at
com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:105)
    at
com.caucho.hessian.io.SerializerFactory.readMap(SerializerFactory.java:222)
    at com.caucho.hessian.io.HessianInput.readObject(HessianInput.java:1120)
    at
com.caucho.hessian.io.CollectionDeserializer.readList(CollectionDeserializer.java:106)
    at com.caucho.hessian.io.HessianInput.readObject(HessianInput.java:1015)
    at
com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:128)
    at
com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:105)
    at
com.caucho.hessian.io.SerializerFactory.readMap(SerializerFactory.java:222)
    at com.caucho.hessian.io.HessianInput.readObject(HessianInput.java:1120)
    at
com.caucho.hessian.io.CollectionDeserializer.readList(CollectionDeserializer.java:106)
    at com.caucho.hessian.io.HessianInput.readObject(HessianInput.java:1015)
    at
com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:128)
    at
com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:105)
    at com.caucho.hessian.io.HessianInput.readObject(HessianInput.java:999)
    at
com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:128)
    at
com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:105)
    at com.caucho.hessian.io.HessianInput.readObject(HessianInput.java:999)
    at
com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:128)
    at
com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:105)
    at com.caucho.hessian.io.HessianInput.readObject(HessianInput.java:999)
    at
com.caucho.hessian.server.HessianSkeleton.invoke(HessianSkeleton.java:134)
    at
com.caucho.hessian.server.HessianServlet.service(HessianServlet.java:293)
    at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)
    at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
    at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
    at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
    at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
    at
org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)
    at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152)
    at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
    at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:462)
    at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
    at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
    at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
    at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
    at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
    at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
    at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
    at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
    at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
    at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
    at
org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
    at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
    at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
    at
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
    at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
    at java.lang.Thread.run(Thread.java:534)
Caused by: java.lang.NullPointerException
    at sun.awt.shell.Win32ShellFolder2.<init>(Win32ShellFolder2.java:189)
    ... 62 more
StandardWrapperValve[EcommerceService]: Servlet.service() for servlet
EcommerceService threw exception
java.io.IOException: java.lang.reflect.InvocationTargetException
    at
com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:112)
    at com.caucho.hessian.io.HessianInput.readObject(HessianInput.java:995)
    at
com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:128)
    at
com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:105)
    at
com.caucho.hessian.io.SerializerFactory.readMap(SerializerFactory.java:222)
    at com.caucho.hessian.io.HessianInput.readObject(HessianInput.java:1120)
    at
com.caucho.hessian.io.CollectionDeserializer.readList(CollectionDeserializer.java:106)
    at com.caucho.hessian.io.HessianInput.readObject(HessianInput.java:1015)
    at
com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:128)
    at
com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:105)
    at
com.caucho.hessian.io.SerializerFactory.readMap(SerializerFactory.java:222)
    at com.caucho.hessian.io.HessianInput.readObject(HessianInput.java:1120)
    at
com.caucho.hessian.io.CollectionDeserializer.readList(CollectionDeserializer.java:106)
    at com.caucho.hessian.io.HessianInput.readObject(HessianInput.java:1015)
    at
com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:128)
    at
com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:105)
    at
com.caucho.hessian.io.SerializerFactory.readMap(SerializerFactory.java:222)
    at com.caucho.hessian.io.HessianInput.readObject(HessianInput.java:1120)
    at
com.caucho.hessian.io.CollectionDeserializer.readList(CollectionDeserializer.java:106)
    at com.caucho.hessian.io.HessianInput.readObject(HessianInput.java:1015)
    at
com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:128)
    at
com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:105)
    at com.caucho.hessian.io.HessianInput.readObject(HessianInput.java:999)
    at
com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:128)
    at
com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:105)
    at com.caucho.hessian.io.HessianInput.readObject(HessianInput.java:999)
    at
com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:128)
    at
com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:105)
    at com.caucho.hessian.io.HessianInput.readObject(HessianInput.java:999)
    at
com.caucho.hessian.server.HessianSkeleton.invoke(HessianSkeleton.java:134)
    at
com.caucho.hessian.server.HessianServlet.service(HessianServlet.java:293)
    at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)
    at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
    at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
    at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
    at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
    at
org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)
    at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152)
    at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
    at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:462)
    at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
    at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
    at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
    at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
    at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
    at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
    at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
    at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
    at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
    at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
    at
org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
    at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
    at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
    at
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
    at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
    at java.lang.Thread.run(Thread.java:534)

-- 
Toby Hede
Software Engineer
Web Alive Technologies Pty Ltd
The OSSI Group Pty Ltd
Level 1, Innovation Building
Digital Harbour, 1010 La Trobe Street
Melbourne VIC 3000
P: +61 3 9934 0888
F: +61 3 9934 0899
E: toby.hede@xxx.biz
W: www.webalive.biz
 
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