它似乎是mu regex匹配代码，但我不知道为什么，谁能帮我，谢谢

"Finalizer" #3 daemon prio=8 os_prio=0 tid=0x00007f905c0d1800 nid=0x1d07 in Object.wait() [0x00007f902ec8b000]
   java.lang.Thread.State: WAITING (on object monitor)
    at java.lang.Object.wait(Native Method)
    at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:143)
    - locked <0x00000005f34286c8> (a java.lang.ref.ReferenceQueue$Lock)
    at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:164)
    at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:212)

"Reference Handler" #2 daemon prio=10 os_prio=0 tid=0x00007f905c0cd000 nid=0x1d06 in Object.wait() [0x00007f902ed8c000]
   java.lang.Thread.State: WAITING (on object monitor)
    at java.lang.Object.wait(Native Method)
    at java.lang.Object.wait(Object.java:502)
    at java.lang.ref.Reference.tryHandlePending(Reference.java:191)
    - locked <0x00000005f3428880> (a java.lang.ref.Reference$Lock)
    at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:153)

这是一些关于我的代码，正则表达式

“main”#1 prio=5 os#u prio=0 tid=0x00007f905c024800 nid=0x1ce5 runnable[0x00007f9065de5000]java.lang.thread.state:在java.util.regex.pattern$grouphead.match（pattern）处可运行。java:4660)在java.util.regex.pattern$branch.match（pattern。java:4606)在java.util.regex.pattern$start.match（pattern。java:3463)在java.util.regex.matcher.search（matcher。java:1248)在java.util.regex.matcher.find（matcher。java:637)在utils.deviceidvalidaterules.macrulecheck（deviceidvalidaterules。java:118)在utils.datamanydayshandleutils.datacomplement（datamanydayshandleutils。java:242)在仓库.bds.bdsdnameydaysreducer.reduce（bdsdnameydaysreducer。java:182)在仓库.bds.bdsdnameydaysreducer.reduce（bdsdnameydaysreducer。java:14)在org.apache.hadoop.mapreduce.reducer.run（reducer。java:171)在org.apache.hadoop.mapred.reducetask.runnewreducer（reducetask。java:628)在org.apache.hadoop.mapred.reducetask.run（reducetask。java:390)在org.apache.hadoop.mapred.yarnchild$2.run（yarnchild。java:174)在javax.security.auth.subject.doas（主题）中的java.security.accesscontroller.doprivileged（本机方法）。java:422)在org.apache.hadoop.security.usergroupinformation.doas（usergroupinformation。java:1730)在org.apache.hadoop.mapred.yarnchild.main（yarnchild。java:168)

"VM Thread" os_prio=0 tid=0x00007f905c0c5800 nid=0x1d05 runnable 

"GC task thread#0 (ParallelGC)" os_prio=0 tid=0x00007f905c03a000 nid=0x1ce6 runnable 

"GC task thread#1 (ParallelGC)" os_prio=0 tid=0x00007f905c03b800 nid=0x1ce7 runnable 

"GC task thread#2 (ParallelGC)" os_prio=0 tid=0x00007f905c03d800 nid=0x1ce8 runnable 

"GC task thread#3 (ParallelGC)" os_prio=0 tid=0x00007f905c03f800 nid=0x1ce9 runnable 

"GC task thread#4 (ParallelGC)" os_prio=0 tid=0x00007f905c041000 nid=0x1cea runnable 

"GC task thread#5 (ParallelGC)" os_prio=0 tid=0x00007f905c043000 nid=0x1ceb runnable 

"GC task thread#6 (ParallelGC)" os_prio=0 tid=0x00007f905c044800 nid=0x1cec runnable 

"GC task thread#7 (ParallelGC)" os_prio=0 tid=0x00007f905c046800 nid=0x1ced runnable 

"GC task thread#8 (ParallelGC)" os_prio=0 tid=0x00007f905c048800 nid=0x1cee runnable 

"GC task thread#9 (ParallelGC)" os_prio=0 tid=0x00007f905c04a000 nid=0x1cef runnable 

"GC task thread#10 (ParallelGC)" os_prio=0 tid=0x00007f905c04c000 nid=0x1cf0 runnable 

"GC task thread#11 (ParallelGC)" os_prio=0 tid=0x00007f905c04e000 nid=0x1cf1 runnable 

"GC task thread#12 (ParallelGC)" os_prio=0 tid=0x00007f905c04f800 nid=0x1cf2 runnable 

"GC task thread#13 (ParallelGC)" os_prio=0 tid=0x00007f905c051800 nid=0x1cf3 runnable 

"GC task thread#14 (ParallelGC)" os_prio=0 tid=0x00007f905c053800 nid=0x1cf4 runnable 

"GC task thread#15 (ParallelGC)" os_prio=0 tid=0x00007f905c055000 nid=0x1cf5 runnable 

"GC task thread#16 (ParallelGC)" os_prio=0 tid=0x00007f905c057000 nid=0x1cf6 runnable 

"GC task thread#17 (ParallelGC)" os_prio=0 tid=0x00007f905c059000 nid=0x1cf7 runnable 

"GC task thread#18 (ParallelGC)" os_prio=0 tid=0x00007f905c05a800 nid=0x1cf8 runnable 

"GC task thread#19 (ParallelGC)" os_prio=0 tid=0x00007f905c05c800 nid=0x1cf9 runnable 

"GC task thread#20 (ParallelGC)" os_prio=0 tid=0x00007f905c05e000 nid=0x1cfa runnable 

"GC task thread#21 (ParallelGC)" os_prio=0 tid=0x00007f905c060000 nid=0x1cfb runnable 

"GC task thread#22 (ParallelGC)" os_prio=0 tid=0x00007f905c062000 nid=0x1cfc runnable 

"GC task thread#23 (ParallelGC)" os_prio=0 tid=0x00007f905c063800 nid=0x1cfd runnable 

"GC task thread#24 (ParallelGC)" os_prio=0 tid=0x00007f905c065800 nid=0x1cfe runnable 

"GC task thread#25 (ParallelGC)" os_prio=0 tid=0x00007f905c067800 nid=0x1cff runnable 

"GC task thread#26 (ParallelGC)" os_prio=0 tid=0x00007f905c069000 nid=0x1d00 runnable 

"GC task thread#27 (ParallelGC)" os_prio=0 tid=0x00007f905c06b000 nid=0x1d01 runnable 

"VM Periodic Task Thread" os_prio=0 tid=0x00007f905c14f800 nid=0x1d19 waiting on condition 

JNI global references: 261