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日志如下:F/art     (23244): art/runtime/check_jni.cc:70] JNI DETECTED ERROR IN APPLICATION: java_array == null

F/art     (23244): art/runtime/check_jni.cc:70]     in call to GetArrayLength

F/art     (23244): art/runtime/check_jni.cc:70]     from java.lang.String com.hyphenate.chat.adapter.EMAChatConfig.nativegetBaseUrl()

F/art     (23244): art/runtime/check_jni.cc:70] "Thread-13775" prio=5 tid=25 Runnable

F/art     (23244): art/runtime/check_jni.cc:70]   | group="main" sCount=0 dsCount=0 obj=0x12e8e940 self=0x7fa00ce800

F/art     (23244): art/runtime/check_jni.cc:70]   | sysTid=23286 nice=0 cgrp=default sched=0/0 handle=0x7f94ebb000

F/art     (23244): art/runtime/check_jni.cc:70]   | state=R schedstat=( 2641617 1218617 14 ) utm=0 stm=0 core=0 HZ=100

F/art     (23244): art/runtime/check_jni.cc:70]   | stack=0x7f88292000-0x7f88294000 stackSize=1036KB

F/art     (23244): art/runtime/check_jni.cc:70]   | held mutexes= "mutator lock"(shared held)

F/art     (23244): art/runtime/check_jni.cc:70]   native: #00 pc 0000470c  /system/lib64/libbacktrace_libc++.so (Backtrace::Unwind(unsigned long, ucontext*)+28)

F/art     (23244): art/runtime/check_jni.cc:70]   native: #01 pc 00000027  ???

F/art     (23244): art/runtime/check_jni.cc:70]   at com.hyphenate.chat.adapter.EMAChatConfig.nativegetBaseUrl(Native method)

F/art     (23244): art/runtime/check_jni.cc:70]   at com.hyphenate.chat.adapter.EMAChatConfig.getBaseUrl(unavailable:-1)

F/art     (23244): art/runtime/check_jni.cc:70]   at com.hyphenate.chat.a.b.f(unavailable:-1)

F/art     (23244): art/runtime/check_jni.cc:70]   at com.hyphenate.analytics.EMActiveCollector$1.run(unavailable:-1)

F/art     (23244): art/runtime/check_jni.cc:70]   at java.lang.Thread.run(Thread.java:818)

F/art     (23244): art/runtime/check_jni.cc:70]