swing - Java Web Start App Client packaged in EAR - Unable to set customized error page java.lang.NullPointerException -

swing - Java Web Start App Client packaged in EAR - Unable to set customized error page java.lang.NullPointerException -

i have ear beingness deployed glassfish 4.1.

i have swing app client packaged in ear , when deploy glassfish, download jnlp, , seek run it, dozens of error in log:

warning: unable set customized error page java.lang.nullpointerexception @ com.sun.enterprise.v3.services.impl.containermapper.service(containermapper.java:171) @ org.glassfish.grizzly.http.server.httphandler.runservice(httphandler.java:201) @ org.glassfish.grizzly.http.server.httphandler.dohandle(httphandler.java:175) @ org.glassfish.grizzly.http.server.httpserverfilter.handleread(httpserverfilter.java:235) @ org.glassfish.grizzly.filterchain.executorresolver$9.execute(executorresolver.java:119) @ org.glassfish.grizzly.filterchain.defaultfilterchain.executefilter(defaultfilterchain.java:284) @ org.glassfish.grizzly.filterchain.defaultfilterchain.executechainpart(defaultfilterchain.java:201) @ org.glassfish.grizzly.filterchain.defaultfilterchain.execute(defaultfilterchain.java:133) @ org.glassfish.grizzly.filterchain.defaultfilterchain.process(defaultfilterchain.java:112) @ org.glassfish.grizzly.processorexecutor.execute(processorexecutor.java:77) @ org.glassfish.grizzly.nio.transport.tcpniotransport.fireioevent(tcpniotransport.java:561) @ org.glassfish.grizzly.strategies.abstractiostrategy.fireioevent(abstractiostrategy.java:112) @ org.glassfish.grizzly.strategies.workerthreadiostrategy.run0(workerthreadiostrategy.java:117) @ org.glassfish.grizzly.strategies.workerthreadiostrategy.access$100(workerthreadiostrategy.java:56) @ org.glassfish.grizzly.strategies.workerthreadiostrategy$workerthreadrunnable.run(workerthreadiostrategy.java:137) @ org.glassfish.grizzly.threadpool.abstractthreadpool$worker.dowork(abstractthreadpool.java:565) @ org.glassfish.grizzly.threadpool.abstractthreadpool$worker.run(abstractthreadpool.java:545) @ java.lang.thread.run(thread.java:745)

the error in java web start is:

java web start error: #### not find main-class org.glassfish.appclient.client.jwsappclientcontainermain

has seen before?

java swing glassfish java-web-start jnlp