线程问题：java.lang.IllegalThreadStateException: Thread already started

java.lang.IllegalThreadStateException: Thread already started at java.lang.Thread.checkNotStarted(Thread.java:849) at java.lang.Thread.start(Thread.java:1059) at com.hyphenate.chat.EMPushHelper.sendDeviceTokenToServer(Unknown Source) at com.hyphenate.chat.EMClient.checkPushAvailable(Unknown Source) at com.hyphenate.chat.EMClient$6.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588) at java.lang.Thread.run(Thread.java:818)