Tomcat7中打印stuck的線程

在中間件層面，一些非常慢的請求就是性能殺手，weblogic可以很容易的配置超過多少秒打印出線程來，也叫stuck的線程。長期整改這些問題對系統的穩定運行有極大的幫組。修改context.xml文件，加入 org.apache.catalina.valves.StuckThreadDetectionValve。
做了一個實驗，在一個Jsp頁面for update一張表，不過之前在pl/sql developer中先把表鎖住。
<?xml version='1.0' encoding='utf-8'?> <Context> <WatchedResource>WEB-INF/web.xml</WatchedResource> <Valve className="org.apache.catalina.valves.StuckThreadDetectionValve" threshold="5" /> </Context>

十一月 20, 2019 11:32:51 上午 org.apache.catalina.valves.StuckThreadDetectionValve notifyStuckThread
Detected
警告: Thread “http-bio-8082-exec-1” (id=16) has been active for 12,354 milliseconds (since 11/20/19
11:32 AM) to serve the same request for http://localhost:8082/ and may be stuck (configured threshol
d for this StuckThreadDetectionValve is 5 seconds). There is/are 1 thread(s) in total that are monit
ored by this Valve and may be stuck.
java.lang.Throwable
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
at java.net.SocketInputStream.read(SocketInputStream.java:171)
at java.net.SocketInputStream.read(SocketInputStream.java:141)
at oracle.net.ns.Packet.receive(Packet.java:300)
at oracle.net.ns.DataPacket.receive(DataPacket.java:106)
at oracle.net.ns.NetInputStream.getNextPacket(NetInputStream.java:315)
at oracle.net.ns.NetInputStream.read(NetInputStream.java:260)
at oracle.net.ns.NetInputStream.read(NetInputStream.java:185)
at oracle.net.ns.NetInputStream.read(NetInputStream.java:102)
at oracle.jdbc.driver.T4CSocketInputStreamWrapper.readNextPacket(T4CSocketInputStreamWrapper
.java:124)
at oracle.jdbc.driver.T4CSocketInputStreamWrapper.read(T4CSocketInputStreamWrapper.java:80)
at oracle.jdbc.driver.T4CMAREngine.unmarshalUB1(T4CMAREngine.java:1137)
at oracle.jdbc.driver.T4CTTIfun.receive(T4CTTIfun.java:290)
at oracle.jdbc.driver.T4CTTIfun.doRPC(T4CTTIfun.java:192)
at oracle.jdbc.driver.T4C8Oall.doOALL(T4C8Oall.java:531)
at oracle.jdbc.driver.T4CPreparedStatement.doOall8(T4CPreparedStatement.java:207)
at oracle.jdbc.driver.T4CPreparedStatement.executeForDescribe(T4CPreparedStatement.java:884)

    at oracle.jdbc.driver.OracleStatement.executeMaybeDescribe(OracleStatement.java:1167)
    at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1289)
    at oracle.jdbc.driver.OracleStatement.executeInternal(OracleStatement.java:1909)
    at oracle.jdbc.driver.OracleStatement.execute(OracleStatement.java:1871)
    at oracle.jdbc.driver.OracleStatementWrapper.execute(OracleStatementWrapper.java:318)
    at org.apache.jsp.index_jsp$TestUpdate.updateDB(index_jsp.java:36)
    at org.apache.jsp.index_jsp._jspService(index_jsp.java:141)
    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
    at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:439)
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j

ava:303)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)

    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j

ava:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)

    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:218)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)
    at org.apache.catalina.valves.StuckThreadDetectionValve.invoke(StuckThreadDetectionValve.jav

a:220)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:962)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:445)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:111
5)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.jav a:637) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:748)

十一月 20, 2019 11:34:31 上午 org.apache.catalina.valves.StuckThreadDetectionValve notifyStuckThread
Completed
警告: Thread “http-bio-8082-exec-1” (id=16) was previously reported to be stuck but has completed. I
t was active for approximately 104,021 milliseconds.