broken pipe in parallel queries

I'm having some issues with running some queries in parallel. If I run the script on one file, I get the expected result (the execution time is about 40 seconds for this specific script). If I run the same script on many XML files, at the same time, I get a broken pipe error. I'm using a java BasexClient to execute the queries, and I'm trying to execute the script on about 50 files at the same time (the .basex parallel configuration is the default). Could this be related to basex? It could also be a network issue so I'm still investigating. 10/28/2016 4:10:21 PM Suppressed: java.net.SocketException: Broken pipe 10/28/2016 4:10:21 PM at java.net.SocketOutputStream.socketWrite0(Native Method) 10/28/2016 4:10:21 PM at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:113) 10/28/2016 4:10:21 PM at java.net.SocketOutputStream.write(SocketOutputStream.java:159) 10/28/2016 4:10:21 PM at org.basex.io.out.BufferOutput.flush(BufferOutput.java:60) 10/28/2016 4:10:21 PM at org.basex.io.out.BufferOutput.write(BufferOutput.java:54) 10/28/2016 4:10:21 PM at org.basex.io.out.PrintOutput.write(PrintOutput.java:66) 10/28/2016 4:10:21 PM at org.basex.io.out.ServerOutput.write(ServerOutput.java:31) 10/28/2016 4:10:21 PM at java.io.OutputStream.write(OutputStream.java:116) 10/28/2016 4:10:21 PM at org.basex.io.out.BufferOutput.flush(BufferOutput.java:60) 10/28/2016 4:10:21 PM at org.basex.io.out.PrintOutput.flush(PrintOutput.java:141) 10/28/2016 4:10:21 PM at org.basex.io.serial.OutputSerializer.close(OutputSerializer.java:82) 10/28/2016 4:10:21 PM at org.basex.server.ServerQuery.execute(ServerQuery.java:143) 10/28/2016 4:10:21 PM ... 2 more

I haven’t experienced exceptions of this kind so far, but if it turns out that BaseX is the black sheep, feel freeo to create an MVCE for us.

In case someone else has something similar, the problem was a timeout configuration of the load balancer. Thanks for pointing me to the right direction.