Failed to run

I downloaded the redhat9 package, both of which can be installed, but it still fails to run.

[Root @ LiYu marathon-1.0.6] #./marathon
. Java. Io. invalidclassexception: Invalid Field Type for classpath in class net. SourceForge. marathon. runtime. javaruntimeprofile
At java. Io. objectinputstream. readclassdescriptor (libgcj. so.7rh)
At java. Io. objectinputstream. readobject (libgcj. so.7rh)
At java. Io. objectinputstream. readobject (libgcj. so.7rh)
At java. Io. objectinputstream. readarrayelements (libgcj. so.7rh)
At java. Io. objectinputstream. readobject (libgcj. so.7rh)
At GNU. java. RMI. server. rmiobjectinputstream. readvalue (libgcj. so.7rh)
At GNU. java. RMI. server. unicastserverref. incomingmessagecall (libgcj. so.7rh)
At GNU. java. RMI. server. unicastserver. incomingmessagecall (libgcj. so.7rh)
At GNU. java. RMI. server. unicastserver. Dispatch (libgcj. so.7rh)
At GNU. java. RMI. server. unicastconnection. Run (libgcj. so.7rh)
At java. Lang. thread. Run (libgcj. so.7rh)
E
Time: 1.193
There was 1 error:
1) dialogdemo (net. sourceForge. marathon. JUnit. marathontestcase) net. ladypleaser. rmilite. remoteinvocationexception: Error invoking createruntime: Java. RMI. remoteException: Connection Failed to host: 10.66.0.116; Nested exception is:
Java. Io. invalidclassexception: Invalid Field Type for classpath in class net. SourceForge. marathon. runtime. javaruntimeprofile
At net. ladypleaser. rmilite. remoteinvocationexception. rethrow (remoteinvocationexception. Java: 47)
At net. ladypleaser. rmilite. impl. localinvocationhandlerimpl. invokeremote (localinvocationhandlerimpl. Java: 58)
At net. ladypleaser. rmilite. impl. localinvocationhandlerimpl. Invoke (localinvocationhandlerimpl. Java: 41)
At $ proxy0.createruntime (unknown source)
At net. SourceForge. marathon. runtime. javaruntimeleash. <init> (javaruntimeleash. Java: 62)
At net. SourceForge. marathon. runtime. javaruntimefactory. createruntime (javaruntimefactory. Java: 66)
At net. SourceForge. marathon. JUnit. marathontestcase. runtest (marathontestcase. Java: 72)
At net. SourceForge. marathon. Main. runbatchmode (main. Java: 81)
At net. SourceForge. marathon. Main. Main (main. Java: 63)
Caused by: Java. RMI. RemoteException: Connection Failed to host: 10.66.0.116; Nested exception is:
Java. Io. invalidclassexception: Invalid Field Type for classpath in class net. SourceForge. marathon. runtime. javaruntimeprofile
At GNU. java. RMI. server. unicastref. invokecommon (libgcj. so.7rh)
At GNU. java. RMI. server. unicastref. Invoke (libgcj. so.7rh)
At net. ladypleaser. rmilite. impl. remoteinvocationhandlerimpl_stub.invoke (unknown source)
At net. ladypleaser. rmilite. impl. localinvocationhandlerimpl. invokeremote (localinvocationhandlerimpl. Java: 53)
... 16 more
Caused by: Java. Io. invalidclassexception: Invalid Field Type for classpath in class net. SourceForge. marathon. runtime. javaruntimeprofile
At java. Io. objectinputstream. readclassdescriptor (libgcj. so.7rh)
At java. Io. objectinputstream. readobject (libgcj. so.7rh)
At java. Io. objectinputstream. readobject (libgcj. so.7rh)
At java. Io. objectinputstream. readarrayelements (libgcj. so.7rh)
At java. Io. objectinputstream. readobject (libgcj. so.7rh)
At GNU. java. RMI. server. rmiobjectinputstream. readvalue (libgcj. so.7rh)
At GNU. java. RMI. server. unicastserverref. incomingmessagecall (libgcj. so.7rh)
At GNU. java. RMI. server. unicastserver. incomingmessagecall (libgcj. so.7rh)
At GNU. java. RMI. server. unicastserver. Dispatch (libgcj. so.7rh)
At GNU. java. RMI. server. unicastconnection. Run (libgcj. so.7rh)
At java. Lang. thread. Run (libgcj. so.7rh)

Failures !!!
Tests run: 1, failures: 0, errors: 1

[Root @ LiYu marathon-1, 1.0.6] #