fix NullPointerException in PidUtils. #1611

4 years ago · 8753c02ad1
parent a528c01705
commit 8753c02ad1
1 changed files with 6 additions and 6 deletions
--- a/common/src/main/java/com/taobao/arthas/common/PidUtils.java
+++ b/common/src/main/java/com/taobao/arthas/common/PidUtils.java
@ -13,16 +13,16 @@ public class PidUtils {

    static {
        // https://stackoverflow.com/a/7690178
-        String jvmName = ManagementFactory.getRuntimeMXBean().getName();
-        int index = jvmName.indexOf('@');
+        try {
+            String jvmName = ManagementFactory.getRuntimeMXBean().getName();
+            int index = jvmName.indexOf('@');

-        if (index > 0) {
-            try {
+            if (index > 0) {
                PID = Long.toString(Long.parseLong(jvmName.substring(0, index)));
                pid = Long.parseLong(PID);
-            } catch (Throwable e) {
-                // ignore
            }
+        } catch (Throwable e) {
+            // ignore
        }
    }