weblogic stuck String StringUtils

逃离我推掉我的手 2022-06-02 04:50 142阅读 0赞

今天在一个报表及导出的weblogic节点不响应，后台的堵塞都是这种，操作系统表现是耗用CPU 6000%（相对于消耗了60个CPU）。下面的代码堆栈都是相对简单的功能，为什么出现这种问题呢？

原因是有线程长期并大量消耗CPU，导致剩下的线程无法获取到CPU产生spin。解决问题的办法就是：

1.top -H -p 进程id 获取到耗CPU的线程。

2.做一个jstack

3.找上面两个结果的对应，解决就可以了。

"\[STUCK\] ExecuteThread: '244' for queue: 'weblogic.kernel.Default (self-tuning)'" daemon prio=10 tid=0x00007f01bc198800 nid=0x67ea runnable \[0x00007efec4ac6000\]

java.lang.Thread.State: RUNNABLE  
at java.lang.String.charAt(String.java:657)  
at java.util.StringTokenizer.scanToken(StringTokenizer.java:274)  
at java.util.StringTokenizer.nextToken(StringTokenizer.java:351)  
at org.springframework.util.StringUtils.tokenizeToStringArray(StringUtils.java:987)  
at org.springframework.util.AntPathMatcher.doMatch(AntPathMatcher.java:104)  
at org.springframework.util.AntPathMatcher.match(AntPathMatcher.java:81)  
at org.springframework.web.servlet.mvc.condition.PatternsRequestCondition.getMatchingPattern(PatternsRequestCondition.java:250)  
at org.springframework.web.servlet.mvc.condition.PatternsRequestCondition.getMatchingCondition(PatternsRequestCondition.java:216)  
at org.springframework.web.servlet.mvc.method.RequestMappingInfoHandlerMapping.handleNoMatch(RequestMappingInfoHandlerMapping.java:166)  
at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.lookupHandlerMethod(AbstractHandlerMethodMapping.java:283)  
  
"\[STUCK\] ExecuteThread: '243' for queue: 'weblogic.kernel.Default (self-tuning)'" daemon prio=10 tid=0x00007f01bc196800 nid=0x67e9 runnable \[0x00007efec4bc7000\]  
   java.lang.Thread.State: RUNNABLE  
at org.springframework.util.StringUtils.toStringArray(StringUtils.java:816)  
at org.springframework.util.StringUtils.tokenizeToStringArray(StringUtils.java:995)  
at org.springframework.util.AntPathMatcher.doMatch(AntPathMatcher.java:105)  
at org.springframework.util.AntPathMatcher.match(AntPathMatcher.java:81)  
at org.springframework.web.servlet.mvc.condition.PatternsRequestCondition.getMatchingPattern(PatternsRequestCondition.java:241)  
at org.springframework.web.servlet.mvc.condition.PatternsRequestCondition.getMatchingCondition(PatternsRequestCondition.java:216)  
at org.springframework.web.servlet.mvc.method.RequestMappingInfoHandlerMapping.handleNoMatch(RequestMappingInfoHandlerMapping.java:166)  
  
"\[STUCK\] ExecuteThread: '242' for queue: 'weblogic.kernel.Default (self-tuning)'" daemon prio=10 tid=0x00007f01bc194800 nid=0x67e8 runnable \[0x00007efec4cc8000\]  
   java.lang.Thread.State: RUNNABLE  
at java.util.regex.Matcher.reset(Matcher.java:299)  
at java.util.regex.Matcher.<init>(Matcher.java:228)  
at java.util.regex.Pattern.matcher(Pattern.java:1088)  
at org.springframework.util.AntPathMatcher$AntPathStringMatcher.matchStrings(AntPathMatcher.java:539)  
at org.springframework.util.AntPathMatcher.matchStrings(AntPathMatcher.java:238)  
at org.springframework.util.AntPathMatcher.doMatch(AntPathMatcher.java:118)  
at org.springframework.util.AntPathMatcher.match(AntPathMatcher.java:81)  
at org.springframework.web.servlet.mvc.condition.PatternsRequestCondition.getMatchingPattern(PatternsRequestCondition.java:241)  
  
"\[STUCK\] ExecuteThread: '240' for queue: 'weblogic.kernel.Default (self-tuning)'" daemon prio=10 tid=0x00007f01bc190000 nid=0x67e6 runnable \[0x00007efec4eca000\]  
   java.lang.Thread.State: RUNNABLE  
at org.springframework.web.util.UriUtils.decode(UriUtils.java:351)  
at org.springframework.web.util.UrlPathHelper.decodeInternal(UrlPathHelper.java:406)  
at org.springframework.web.util.UrlPathHelper.decodeRequestString(UrlPathHelper.java:397)  
at org.springframework.web.util.UrlPathHelper.getContextPath(UrlPathHelper.java:286)  
at org.springframework.web.util.UrlPathHelper.getPathWithinApplication(UrlPathHelper.java:199)  
at org.springframework.web.util.UrlPathHelper.getPathWithinServletMapping(UrlPathHelper.java:175)  
at org.springframework.web.util.UrlPathHelper.getLookupPathForRequest(UrlPathHelper.java:154)  
at org.springframework.web.servlet.mvc.condition.PatternsRequestCondition.getMatchingCondition(PatternsRequestCondition.java:212)  
  
"\[ACTIVE\] ExecuteThread: '239' for queue: 'weblogic.kernel.Default (self-tuning)'" daemon prio=10 tid=0x00007f01bc18e000 nid=0x67e5 runnable \[0x00007efec4fcb000\]  
   java.lang.Thread.State: RUNNABLE  
at java.util.regex.Pattern$Slice.match(Pattern.java:3860)  
at java.util.regex.Matcher.match(Matcher.java:1221)  
at java.util.regex.Matcher.matches(Matcher.java:559)  
at org.springframework.util.AntPathMatcher$AntPathStringMatcher.matchStrings(AntPathMatcher.java:540)  
at org.springframework.util.AntPathMatcher.matchStrings(AntPathMatcher.java:238)  
at org.springframework.util.AntPathMatcher.doMatch(AntPathMatcher.java:118)  
at org.springframework.util.AntPathMatcher.match(AntPathMatcher.java:81)  
at org.springframework.web.servlet.mvc.condition.PatternsRequestCondition.getMatchingPattern(PatternsRequestCondition.java:241)  
  
"\[STUCK\] ExecuteThread: '238' for queue: 'weblogic.kernel.Default (self-tuning)'" daemon prio=10 tid=0x00007f01bc18c000 nid=0x67e4 runnable \[0x00007efec50cc000\]  
   java.lang.Thread.State: RUNNABLE  
at java.util.StringTokenizer.skipDelimiters(StringTokenizer.java:245)  
at java.util.StringTokenizer.hasMoreTokens(StringTokenizer.java:323)  
at org.springframework.util.StringUtils.tokenizeToStringArray(StringUtils.java:986)  
at org.springframework.util.AntPathMatcher.doMatch(AntPathMatcher.java:104)  
at org.springframework.util.AntPathMatcher.match(AntPathMatcher.java:81)  
at org.springframework.web.servlet.mvc.condition.PatternsRequestCondition.getMatchingPattern(PatternsRequestCondition.java:250)  
at org.springframework.web.servlet.mvc.condition.PatternsRequestCondition.getMatchingCondition(PatternsRequestCondition.java:216)  
  
"\[STUCK\] ExecuteThread: '232' for queue: 'weblogic.kernel.Default (self-tuning)'" daemon prio=10 tid=0x00007f01bc181800 nid=0x6782 runnable \[0x00007efec56d2000\]  
   java.lang.Thread.State: RUNNABLE  
at java.lang.String.length(String.java:623)  
at org.springframework.web.util.UrlPathHelper.getRemainingPath(UrlPathHelper.java:220)  
at org.springframework.web.util.UrlPathHelper.getPathWithinApplication(UrlPathHelper.java:201)  
at org.springframework.web.util.UrlPathHelper.getLookupPathForRequest(UrlPathHelper.java:159)  
at org.springframework.web.servlet.mvc.condition.PatternsRequestCondition.getMatchingCondition(PatternsRequestCondition.java:212)