TAKETODAY opened a new issue, #131:
URL: https://github.com/apache/rocketmq-exporter/issues/131
**Describe the bug**
```log
java.lang.NullPointerException: null
at
org.apache.rocketmq.exporter.model.BrokerRuntimeStats.loadTps(BrokerRuntimeStats.java:149)
at
org.apache.rocketmq.exporter.model.BrokerRuntimeStats.<init>(BrokerRuntimeStats.java:94)
at
org.apache.rocketmq.exporter.task.MetricsCollectTask.collectBrokerRuntimeStats(MetricsCollectTask.java:685)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:84)
at
org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
at
org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:93)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:750)
```
原始代码：
https://github.com/apache/rocketmq-exporter/blob/5fb1de22cd12555164103771aa42d93d00768ba5/src/main/java/org/apache/rocketmq/exporter/model/BrokerRuntimeStats.java#L149
```java
private void loadTps(PutTps putTps, String value) {
String[] arr = value.split(" ");
if (arr.length >= 1) {
putTps.ten = Double.parseDouble(arr[0]);
}
if (arr.length >= 2) {
putTps.sixty = Double.parseDouble(arr[1]);
}
if (arr.length >= 3) {
putTps.sixHundred = Double.parseDouble(arr[2]);
}
}
```
修改后:
```java
private void loadTps(PutTps putTps, String value) {
if (value != null) {
String[] arr = value.split(" ");
if (arr.length >= 1) {
putTps.ten = Double.parseDouble(arr[0]);
}
if (arr.length >= 2) {
putTps.sixty = Double.parseDouble(arr[1]);
}
if (arr.length >= 3) {
putTps.sixHundred = Double.parseDouble(arr[2]);
}
}
}
```
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