Sorry... Tomcat Version 9.0.63.
Am 29.09.22, 12:06 schrieb "Jason Wee" <peich...@gmail.com>:
could be waiting for i/o or some others... what tomcat version ?
On Thu, Sep 29, 2022 at 5:57 PM Christoph Empl
<christoph.e...@mgm-tp.com.invalid> wrote:
>
> Hello,
>
> i’m facing a problem that my tomcat seems to become unresponsive if it’s
under a certain load.
>
> Most threads in threaddumps look like this:
>
>
> "https-jsse-nio-21030-exec-133" #13306 daemon prio=5 os_prio=0
cpu=17099.37ms elapsed=897.51s tid=0x00007f6270063b00 nid=0x1e5c38 in
Object.wait() [0x00007f6109df4000]
>
> java.lang.Thread.State: TIMED_WAITING (on object monitor)
>
> at java.lang.Object.wait(java.base@17.0.3/Native Method)
>
> - waiting on <no object reference
available><monitor://%3cno%20object%20reference%20available%3e>
>
> at
org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.fillReadBuffer(NioEndpoint.java:1325)
>
> - locked <0x000000050f48a720><monitor://%3c0x000000050f48a720%3e>
(a java.util.concurrent.Semaphore)
>
> at
org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.read(NioEndpoint.java:1226)
>
> at
org.apache.coyote.http11.Http11InputBuffer.fill(Http11InputBuffer.java:805)
>
> at
org.apache.coyote.http11.Http11InputBuffer.access$400(Http11InputBuffer.java:42)
>
> at
org.apache.coyote.http11.Http11InputBuffer$SocketInputBuffer.doRead(Http11InputBuffer.java:1185)
>
> at
org.apache.coyote.http11.filters.IdentityInputFilter.end(IdentityInputFilter.java:151)
>
> at
org.apache.coyote.http11.Http11InputBuffer.endRequest(Http11InputBuffer.java:655)
>
> at
org.apache.coyote.http11.Http11Processor.endRequest(Http11Processor.java:1192)
>
> at
org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:439)
>
> at
org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
>
> at
org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:890)
>
> at
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1743)
>
> at
org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
>
> - locked <0x000000050f48a730><monitor://%3c0x000000050f48a730%3e>
(a org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper)
>
> at
org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
>
> at
org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
>
> at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
>
> at java.lang.Thread.run(java.base@17.0.3/Thread.java:833)
>
>
> I’m suspecting a slow network. Does anybody have another idea?
>
>
> Thanks, Christoph
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