我正在使用openEdgar来分析SEC文件数据，并且它使用Apache Tika来分析HTML，XML和LBRL内容。我正在具有4G内存的盒子上运行它，它一直在使我丧命。
我最终是以这种方式启动的：
java -Dlog4j.configuration = file：log4j.xml -jar tika-server-1.19.1.jar -spawnChild
在日志中，我看到它最终将无法对子进程执行ping操作，并且事情从那里走下坡路，并且JVM将死于内存不足而无法继续：
2018-12-20 19:17:29 DEBUG WriteFlusher:434 - Flushed=true written=32776 remaining=0 WriteFlusher@575678bd{WRITING}->null
2018-12-20 19:42:25 INFO TikaServerCli:115 - Starting Apache Tika 1.19.1 server
2018-12-20 19:49:37 WARN TikaServerWatchDog:191 - Exception pinging child process
...java.io.IOException: Stream closed
2018-12-20 19:49:37 WARN TikaServerWatchDog:213 - Exception asking child to shutdown
...java.io.IOException: Stream closed
2018-12-20 19:49:37 WARN TikaServerWatchDog:225 - Problem shutting down writer to child
...java.io.IOException: Stream closed
2018-12-20 19:49:37 INFO TikaServerWatchDog:97 - About to restart the child process
2018-12-20 19:49:40 INFO TikaServerWatchDog:99 - Successfully restarted child process -- 1 restarts so far)
2018-12-20 19:53:15 WARN TikaServerWatchDog:197 - Received status from child: TIMEOUT
2018-12-20 19:53:20 WARN TikaServerWatchDog:213 - Exception asking child to shutdown
...java.io.IOException: Stream closed
2018-12-20 19:53:20 WARN TikaServerWatchDog:225 - Problem shutting down writer to child
...java.io.IOException: Stream closed
2018-12-20 19:53:20 INFO TikaServerWatchDog:97 - About to restart the child process
2018-12-20 19:53:34 INFO TikaServerWatchDog:99 - Successfully restarted child process -- 2 restarts so far)
2018-12-20 19:55:00 WARN TikaServerWatchDog:202 - Exception receiving status from child
java.lang.ArrayIndexOutOfBoundsException: 35 is not acceptable for an array of length 6
2018-12-20 19:55:08 ERROR TikaServerCli:120 - Can't start:
java.io.IOException: Unrecognized status code; message:
#
# There is insufficient memory for the Java Runtime Environment to continue.
# Native memory allocation (mmap) failed to map 65536 bytes for committing reserved memory.
还有什么我可以做的，以了解其根本原因并有可能解决吗？