今天在在使用语音识别功能的时候编辑的代码很正常：编译也通过了，但是在点击录音按钮的时候报了一个令人费解的错误：Broken pipe，查阅了很多帖子也没有解决，请大佬们答疑

错误日志：

/ASREngine: EVoiceRecognitionClientWorkStatusError errorDomain : 33 errorCode : -3004 desc : Server app name unknown.[(-3004)4: Open api request limit reached] mLastRecognitionResult: 
D/ASREngine: generateErrorResult errDomain = 33 errCode = -3004
W/System.err: java.lang.NullPointerException: Attempt to write to field 'int com.baidu.speech.utils.analysis.Analysis$Item.error_code' on a null object reference
        at com.baidu.speech.asr.AnalysisInterceptor.onEvent(Unknown Source:61)
        at com.baidu.speech.asr.EventManagerAsr.onEvent(Unknown Source:12)
        at com.baidu.speech.asr.EventManagerAsr.onEvent(Unknown Source:7)
        at com.baidu.speech.core.ASREngine.asrCallBack(Unknown Source:581)
        at com.baidu.speech.core.ASREngine.receiveCoreEvent(Unknown Source:6)
        at com.baidu.speech.core.BDSCoreJniInterface.receiveCoreEvent(Unknown Source:18)
V/ASREngine: ASRCallBack :18
W/System.err: java.lang.NullPointerException: Attempt to read from field 'int com.baidu.speech.utils.analysis.Analysis$Item.appId' on a null object reference
        at com.baidu.speech.utils.analysis.Analysis.log(Unknown Source:20)
        at com.baidu.speech.asr.AnalysisInterceptor.onEvent(Unknown Source:75)
        at com.baidu.speech.asr.EventManagerAsr.onEvent(Unknown Source:12)
        at com.baidu.speech.asr.EventManagerAsr.onEvent(Unknown Source:7)
        at com.baidu.speech.core.ASREngine.asrCallBack(Unknown Source:128)
        at com.baidu.speech.core.ASREngine.receiveCoreEvent(Unknown Source:6)
        at com.baidu.speech.core.BDSCoreJniInterface.receiveCoreEvent(Unknown Source:18)
W/System.err: java.util.concurrent.ExecutionException: java.io.IOException: Broken pipe
        at java.util.concurrent.FutureTask.report(FutureTask.java:123)
        at java.util.concurrent.FutureTask.get(FutureTask.java:207)
        at com.baidu.speech.audio.MicrophoneServer.run(Unknown Source:90)
        at java.lang.Thread.run(Thread.java:929)
W/System.err: Caused by: java.io.IOException: Broken pipe
        at android.net.LocalSocketImpl.writeba_native(Native Method)
        at android.net.LocalSocketImpl.access$500(LocalSocketImpl.java:37)
        at android.net.LocalSocketImpl$SocketOutputStream.write(LocalSocketImpl.java:147)
        at com.baidu.speech.audio.MicrophoneServer$2.call(Unknown Source:17)
        at com.baidu.speech.audio.MicrophoneServer$2.call(Unknown Source:0)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
    	... 1 more
I/[BDASR_LOG] MicrophoneServer: finally, mRemoteOutputStreams size = 0 firstStart = true
I/AudioRecord: setBlueToothScoState() state:1, audiosource:1
I/HwAudioRecordImpl: sendStateChangedIntent, state=1
W/AudioSystem: (gLock) AudioSystem start get_audio_flinger()
    (gLock)  AudioSystem end get_audio_flinger()ms: 0ms
W/InputMethodManager: startInputReason = 8
E/RtgSchedManager: endActivityTransaction: margin state not match
E/RtgSchedManager: endActivityTransaction: margin state not match
E/RtgSchedManager: endActivityTransaction: margin state not match
W/libEGL: EGLNativeWindowType 0x7ef6629c10 disconnect failed
I/ActivityThread: Handle window ActivityRecord{18e89e2 token=android.os.BinderProxy@7c6d007 {com.njucm.meridian_and_acupoint_health_guard/com.njucm.meridian_and_acupoint_health_guard.MainActivity}} visibility: false
E/RtgSchedManager: endActivityTransaction: margin state not match
D/DecorView: showOrHideHighlightView: hasFocus=false; winMode=1; isMrgNull=true
D/RtgSched: resetRtgSchedHandle failed enable:0
D/ZrHung.AppEyeUiProbe: not watching, wait.
I/AwareBitmapCacher: handleReleaseCache: pid=31559
I/AwareBitmapCacher: init lrucache size: 2097152 pid=31559

主类代码：

private DashboardViewModel dashboardViewModel;

    //识别
    protected TextView txtResult;//识别结果
    protected Button startBtn;//开始识别  一直不说话会自动停止，需要再次打开
    protected Button stopBtn;//停止识别
    private EventManager asr;//语音识别核心库

    public View onCreateView(@NonNull LayoutInflater inflater,
                             ViewGroup container, Bundle savedInstanceState) {
        dashboardViewModel =
                new ViewModelProvider(this).get(DashboardViewModel.class);
        View root = inflater.inflate(R.layout.fragment_dashboard, container, false);
        initView(root);
        //初始化EventManager对象
        asr = EventManagerFactory.create(getContext(), "asr");
        //注册自己的输出事件类
        asr.registerListener(this); //  EventListener 中 onEvent方法
        return root;
    }

    @Override
    public void onEvent(String name, String params, byte[] data, int offset, int length) {

        if (name.equals(SpeechConstant.CALLBACK_EVENT_ASR_PARTIAL)) {
            // 识别相关的结果都在这里
            if (params == null || params.isEmpty()) {
                return;
            }
            if (params.contains("\"final_result\"")) {
                // 一句话的最终识别结果
                txtResult.setText(params);
            }
        }

    }

    @Override
    public void onDestroy() {
        super.onDestroy();
        //发送取消事件
        asr.send(SpeechConstant.ASR_CANCEL, "{}", null, 0, 0);
        //退出事件管理器
        // 必须与registerListener成对出现，否则可能造成内存泄露
        asr.unregisterListener(this);
    }

    private void initView(View root) {
        txtResult = (TextView) root.findViewById(R.id.tv_txt);
        startBtn = (Button) root.findViewById(R.id.btn_start);
        stopBtn = (Button) root.findViewById(R.id.btn_stop);

        startBtn.setOnClickListener(new View.OnClickListener() {//开始
            @Override
            public void onClick(View v) {
                asr.send(SpeechConstant.ASR_START, null, null, 0, 0);
            }
        });
        stopBtn.setOnClickListener(new View.OnClickListener() {//停止
            @Override
            public void onClick(View v) {
                asr.send(SpeechConstant.ASR_STOP, null, null, 0, 0);
            }
        });
    }