Inspect websocket ZAP Error [java.net.SocketException]: Broken Pipe

[Francesco Alfano]

Hi,
Under Scientifi Linux 6.7 (similar to CentOs), using ZAP 2.4.3 when I have tried to inspect my own incoming websockect traffic from port 7072 I have a "bad gateway" reason and this error:

ZAP Error [java.net.SocketException]: Pipe rotta

Stack Trace:
java.net.SocketException: Pipe rotta
    at java.net.SocketOutputStream.socketWrite0(Native Method)
    at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:109)
    at java.net.SocketOutputStream.write(SocketOutputStream.java:153)
    at sun.security.ssl.OutputRecord.writeBuffer(OutputRecord.java:431)
    at sun.security.ssl.OutputRecord.write(OutputRecord.java:417)
    at sun.security.ssl.SSLSocketImpl.writeRecordInternal(SSLSocketImpl.java:857)
    at sun.security.ssl.SSLSocketImpl.writeRecord(SSLSocketImpl.java:828)
    at sun.security.ssl.AppOutputStream.write(AppOutputStream.java:123)
    at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82)
    at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140)
    at org.parosproxy.paros.network.HttpOutputStream.flush(Unknown Source)
    at org.parosproxy.paros.network.HttpOutputStream.write(Unknown Source)
    at java.io.FilterOutputStream.write(FilterOutputStream.java:97)
    at org.parosproxy.paros.network.HttpOutputStream.write(Unknown Source)
    at org.parosproxy.paros.network.HttpOutputStream.write(Unknown Source)
    at org.parosproxy.paros.core.proxy.ProxyThread.writeHttpResponse(Unknown Source)
    at org.parosproxy.paros.core.proxy.ProxyThread.processHttp(Unknown Source)
    at org.parosproxy.paros.core.proxy.ProxyThread.run(Unknown Source)
    at java.lang.Thread.run(Thread.java:744)