When I attempt to export one of our spaces, I get the following message after only a few seconds:
There was an error in the export. Please check your log files. :java.lang.NullPointerException
Here is the full log entry:
12-Oct-2018 12:47:00.955 INFO [synchronyProxyFilter-274] org.apache.coyote.AbstractProcessor.setErrorState An error occurred in processing while on a non-container thread. The connection will be closed immediately
java.io.IOException: An established connection was aborted by the software in your host machine
at sun.nio.ch.SocketDispatcher.write0(Native Method)
at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:51)
at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:93)
at sun.nio.ch.IOUtil.write(IOUtil.java:65)
at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:471)
at org.apache.tomcat.util.net.NioChannel.write(NioChannel.java:124)
at org.apache.tomcat.util.net.NioBlockingSelector.write(NioBlockingSelector.java:101)
at org.apache.tomcat.util.net.NioSelectorPool.write(NioSelectorPool.java:172)
at org.apache.coyote.http11.InternalNioOutputBuffer.writeToSocket(InternalNioOutputBuffer.java:140)
at org.apache.coyote.http11.InternalNioOutputBuffer.addToBB(InternalNioOutputBuffer.java:198)
at org.apache.coyote.http11.InternalNioOutputBuffer.access$000(InternalNioOutputBuffer.java:42)
at org.apache.coyote.http11.InternalNioOutputBuffer$SocketOutputBuffer.doWrite(InternalNioOutputBuffer.java:321)
at org.apache.coyote.http11.filters.IdentityOutputFilter.doWrite(IdentityOutputFilter.java:84)
at org.apache.coyote.http11.AbstractOutputBuffer.doWrite(AbstractOutputBuffer.java:256)
at org.apache.coyote.Response.doWrite(Response.java:491)
at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:391)
at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:344)
at org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:421)
at org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:409)
at org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:97)
at org.eclipse.jetty.proxy.ProxyServlet.onResponseContent(ProxyServlet.java:139)
at org.eclipse.jetty.proxy.ProxyServlet$ProxyResponseListener.onContent(ProxyServlet.java:221)
at org.eclipse.jetty.client.ResponseNotifier.notifyContent(ResponseNotifier.java:124)
at org.eclipse.jetty.client.ResponseNotifier.access$100(ResponseNotifier.java:35)
at org.eclipse.jetty.client.ResponseNotifier$ContentCallback.process(ResponseNotifier.java:272)
at org.eclipse.jetty.util.IteratingCallback.processing(IteratingCallback.java:241)
at org.eclipse.jetty.util.IteratingCallback.iterate(IteratingCallback.java:224)
at org.eclipse.jetty.client.ResponseNotifier.notifyContent(ResponseNotifier.java:117)
at org.eclipse.jetty.client.HttpReceiver.responseContent(HttpReceiver.java:327)
at org.eclipse.jetty.client.http.HttpReceiverOverHTTP.content(HttpReceiverOverHTTP.java:258)
at org.eclipse.jetty.http.HttpParser.parseContent(HttpParser.java:1512)
at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:1335)
at org.eclipse.jetty.client.http.HttpReceiverOverHTTP.parse(HttpReceiverOverHTTP.java:159)
at org.eclipse.jetty.client.http.HttpReceiverOverHTTP.process(HttpReceiverOverHTTP.java:120)
at org.eclipse.jetty.client.http.HttpReceiverOverHTTP.receive(HttpReceiverOverHTTP.java:70)
at org.eclipse.jetty.client.http.HttpChannelOverHTTP.receive(HttpChannelOverHTTP.java:90)
at org.eclipse.jetty.client.http.HttpConnectionOverHTTP.onFillable(HttpConnectionOverHTTP.java:115)
at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:283)
at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:110)
at org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)
at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303)
at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
at java.lang.Thread.run(Thread.java:745)