有谁用过loadjava工具，请教！

我用
loadjava weblogic.jar或是
loadjava username/pass weblogic.jar等等都出现如下错误，
Exception in thread "main" java.lang.OutOfMemoryError:
        at java.io.ByteArrayOutputStream.toByteArray(ByteArrayOutputStream.java:
128)
        at oracle.aurora.util.IOCopy.toBytes(IOCopy.java:69)
        at oracle.aurora.server.tools.loadjava.SchemaObject.getBytes(SchemaObjec
t.java:252)
        at oracle.aurora.server.tools.loadjava.SchemaObject.getRepeatableInputSt
ream(SchemaObject.java:283)
        at oracle.aurora.server.tools.loadjava.SchemaObject.load(SchemaObject.ja
va:518)
        at oracle.aurora.server.tools.loadjava.ClientResourceObject.create(Clien
tResourceObject.java:26)
        at oracle.aurora.server.tools.loadjava.SchemaObject.process1(SchemaObjec
t.java:161)
        at oracle.aurora.server.tools.loadjava.LoadJava.add(LoadJava.java:489)
        at oracle.aurora.server.tools.loadjava.LoadJava.addObject(LoadJava.java:
474)
        at oracle.aurora.server.tools.loadjava.LoadJava.add(LoadJava.java:425)
        at oracle.aurora.server.tools.loadjava.LoadJava.add(LoadJava.java:356)
        at oracle.aurora.server.tools.loadjava.LoadJava.addJar(LoadJava.java:633
)
        at oracle.aurora.server.tools.loadjava.LoadJava.add(LoadJava.java:407)
        at oracle.aurora.server.tools.loadjava.LoadJava.add(LoadJava.java:356)
        at oracle.aurora.server.tools.loadjava.LoadJava.add(LoadJava.java:325)
        at oracle.aurora.server.tools.loadjava.LoadJava.add(LoadJava.java:590)
        at oracle.aurora.server.tools.loadjava.LoadJava.processDeferredFiles(Loa
dJava.java:562)
        at oracle.aurora.server.tools.loadjava.LoadJava.process(LoadJava.java:67
4)
        at oracle.aurora.server.tools.loadjava.LoadJava.command(LoadJava.java:23
2)
        at oracle.aurora.server.tools.loadjava.LoadJavaMain.run(LoadJavaMain.jav
a:64)
        at oracle.aurora.server.tools.loadjava.LoadJavaMain.main(LoadJavaMain.ja
va:25)而文件是没有问题的，这是怎么回事？