On 06/06/2019 22:51, Mark Thomas wrote:
<snip/>
> I haven't quite tracked down the other deadlock yet. The timing gap is
> narrower so it is harder to capture. I have some ideas to work on tomorrow.
This is the stack trace:
Essentially, something should call notify on the NioOperationState
instance but it never happens. I'm still trying to figure out the root
cause.
Mark
"https-jsse-nio-8443-exec-9" #38 daemon prio=5 os_prio=0 cpu=21.95ms
elapsed=469.80s tid=0x00007f7f3ca34000 nid=0x1306e in Object.wait()
[0x00007f7ee568f000]
java.lang.Thread.State: TIMED_WAITING (on object monitor)
at java.lang.Object.wait(java.base@11.0.3/Native Method)
- waiting on <0x00000000c748f130> (a
org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper$NioOperationState)
at
org.apache.tomcat.util.net.SocketWrapperBase.vectoredOperation(SocketWrapperBase.java:1482)
- waiting to re-lock in wait() <0x00000000c748f130> (a
org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper$NioOperationState)
at
org.apache.tomcat.util.net.SocketWrapperBase.write(SocketWrapperBase.java:1403)
at
org.apache.tomcat.util.net.SocketWrapperBase.write(SocketWrapperBase.java:1374)
at
org.apache.coyote.http2.Http2AsyncUpgradeHandler.writeBody(Http2AsyncUpgradeHandler.java:214)
at
org.apache.coyote.http2.Stream$StreamOutputBuffer.flush(Stream.java:949)
- locked <0x00000000c75d36a8> (a
org.apache.coyote.http2.Stream$StreamOutputBuffer)
at
org.apache.coyote.http2.Stream$StreamOutputBuffer.doWrite(Stream.java:859)
- locked <0x00000000c75d36a8> (a
org.apache.coyote.http2.Stream$StreamOutputBuffer)
at
org.apache.coyote.http2.Http2OutputBuffer.doWrite(Http2OutputBuffer.java:59)
at org.apache.coyote.Response.doWrite(Response.java:599)
at
org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:329)
at
org.apache.catalina.connector.OutputBuffer.appendByteArray(OutputBuffer.java:736)
at
org.apache.catalina.connector.OutputBuffer.append(OutputBuffer.java:665)
at
org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:376)
at
org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:354)
at
org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:96)
at
org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:89)
at
org.apache.catalina.servlets.DefaultServlet.serveResource(DefaultServlet.java:1118)
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