Exception in thread "SynchWorkerThread" java.lang.OutOfMemoryError: Java heap space
Exception in thread "Thread-1" java.lang.OutOfMemoryError: Java heap space
Exception in thread "Thread-0" java.lang.OutOfMemoryError: Java heap space
java.lang.reflect.InvocationTargetException
        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 org.apache.commons.daemon.support.DaemonLoader.stop(DaemonLoader.java:200)
Caused by: java.lang.OutOfMemoryError: Java heap space