Tomcat feign death, jstack log analysis, novice for help ~ ~-CodePudding

System operation recently in a period of time can't access, can kill a tomcat process, restart the instauration normal, baidu to check use jstack print log, a large number of the following contents,
Didn't understand, checked, software company, there is't count on, can only be yourself, where is, every brother please help to analysis the problem ~ thank you very much ~
The 2021-05-19 09:15:59
Full thread dump the Java HotSpot (TM) 64 - Bit Server VM (24.79 - b02 mixed mode) :

The Attach "Listener" daemon prio=10 tid=0 x00007f4b90001000 nid=0 x1aee waiting on condition x0000000000000000 [0]
Java. Lang. Thread. The State: a RUNNABLE

"HTTP - bio - 8089 - exec - 750" the daemon prio=10 tid=0 x00007f4978004000 nid=0 x1383 runnable x00007f4c0ec7d000 [0]
Java. Lang. Thread. The State: a RUNNABLE
The at java.net.SocketInputStream.socketRead0 (Native Method)
The at java.net.SocketInputStream.read SocketInputStream. Java: (152)
The at java.net.SocketInputStream.read SocketInputStream. Java: (122)
The at org. Apache. Coyote. Http11. InternalInputBuffer. The fill (InternalInputBuffer. Java: 519)
The at org. Apache. Coyote. Http11. InternalInputBuffer. The fill (InternalInputBuffer. Java: 504)
The at org. Apache. Coyote. Http11. Http11Processor. SetRequestLineReadTimeout (Http11Processor. Java: 168)
The at org. Apache. Coyote. Http11. AbstractHttp11Processor. Process (AbstractHttp11Processor. Java: 1026)
The at org. Apache. Coyote. AbstractProtocol $AbstractConnectionHandler. Process (AbstractProtocol. Java: 637)
At org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run JIoEndpoint. Java: (318)
- locked & lt; 0 x00000007152d3b00 & gt; (a org.apache.tomcat.util.net.SocketWrapper)
The at Java. Util. Concurrent. ThreadPoolExecutor. RunWorker (ThreadPoolExecutor. Java: 1145)
The at Java. Util. Concurrent. ThreadPoolExecutor $Worker. The run (ThreadPoolExecutor. Java: 615)
At org, apache tomcat. Util. Threads. TaskThread $WrappingRunnable. Run (61) TaskThread. Java:
The at Java. Lang. Thread. The run (Thread. Java: 745)

"HTTP - bio - 8089 - exec - 748" the daemon prio=10 tid=0 x00007f4978002800 nid=0 x11f8 runnable x00007f4c0f586000 [0]
Java. Lang. Thread. The State: a RUNNABLE
The at java.net.SocketInputStream.socketRead0 (Native Method)
The at java.net.SocketInputStream.read SocketInputStream. Java: (152)
The at java.net.SocketInputStream.read SocketInputStream. Java: (122)
The at org. Apache. Coyote. Http11. InternalInputBuffer. The fill (InternalInputBuffer. Java: 519)
The at org. Apache. Coyote. Http11. InternalInputBuffer. The fill (InternalInputBuffer. Java: 504)
The at org. Apache. Coyote. Http11. Http11Processor. SetRequestLineReadTimeout (Http11Processor. Java: 168)
The at org. Apache. Coyote. Http11. AbstractHttp11Processor. Process (AbstractHttp11Processor. Java: 1026)
The at org. Apache. Coyote. AbstractProtocol $AbstractConnectionHandler. Process (AbstractProtocol. Java: 637)
At org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run JIoEndpoint. Java: (318)
- locked & lt; 0 x00000007c367b3c8 & gt; (a org.apache.tomcat.util.net.SocketWrapper)
The at Java. Util. Concurrent. ThreadPoolExecutor. RunWorker (ThreadPoolExecutor. Java: 1145)
The at Java. Util. Concurrent. ThreadPoolExecutor $Worker. The run (ThreadPoolExecutor. Java: 615)
At org, apache tomcat. Util. Threads. TaskThread $WrappingRunnable. Run (61) TaskThread. Java:
The at Java. Lang. Thread. The run (Thread. Java: 745)

"HTTP - bio - 8089 - exec - 747" the daemon prio=10 tid=0 x00007f4978001000 nid=0 xda1 runnable x00007f4c0d465000 [0]
Java. Lang. Thread. The State: a RUNNABLE
The at java.net.SocketInputStream.socketRead0 (Native Method)
The at java.net.SocketInputStream.read SocketInputStream. Java: (152)
The at java.net.SocketInputStream.read SocketInputStream. Java: (122)
The at org. Apache. Coyote. Http11. InternalInputBuffer. The fill (InternalInputBuffer. Java: 519)
The at org. Apache. Coyote. Http11. InternalInputBuffer. The fill (InternalInputBuffer. Java: 504)
The at org. Apache. Coyote. Http11. Http11Processor. SetRequestLineReadTimeout (Http11Processor. Java: 168)
The at org. Apache. Coyote. Http11. AbstractHttp11Processor. Process (AbstractHttp11Processor. Java: 1026)
The at org. Apache. Coyote. AbstractProtocol $AbstractConnectionHandler. Process (AbstractProtocol. Java: 637)
At org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run JIoEndpoint. Java: (318)
- locked & lt; 0 x000000071529a9d0 & gt; (a org.apache.tomcat.util.net.SocketWrapper)
The at Java. Util. Concurrent. ThreadPoolExecutor. RunWorker (ThreadPoolExecutor. Java: 1145)
The at Java. Util. Concurrent. ThreadPoolExecutor $Worker. The run (ThreadPoolExecutor. Java: 615)
At org, apache tomcat. Util. Threads. TaskThread $WrappingRunnable. Run (61) TaskThread. Java:
The at Java. Lang. Thread. The run (Thread. Java: 745)

"HTTP - bio - 8089 - exec - 746" the daemon prio=10 tid=0 x00007f4a10002000 nid=0 xd7a runnable x00007f4c070ef000 [0]
Java. Lang. Thread. The State: a RUNNABLE
The at java.net.SocketInputStream.socketRead0 (Native Method)
The at java.net.SocketInputStream.read SocketInputStream. Java: (152)
The at java.net.SocketInputStream.read SocketInputStream. Java: (122)
The at org. Apache. Coyote. Http11. InternalInputBuffer. The fill (InternalInputBuffer. Java: 519)
The at org. Apache. Coyote. Http11. InternalInputBuffer. The fill (InternalInputBuffer. Java: 504)
The at org. Apache. Coyote. Http11. Http11Processor. SetRequestLineReadTimeout (Http11Processor. Java: 168)
nullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnull