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Posted to commits@iotdb.apache.org by ha...@apache.org on 2021/06/29 02:56:45 UTC

[iotdb] 01/01: Fix some bugs reported by sonar

This is an automated email from the ASF dual-hosted git repository.

haonan pushed a commit to branch sonarbug
in repository https://gitbox.apache.org/repos/asf/iotdb.git

commit 1ad24e286d68d5f0944fca5c2ae14809052be83d
Author: HTHou <hh...@outlook.com>
AuthorDate: Tue Jun 29 10:56:11 2021 +0800

    Fix some bugs reported by sonar
---
 .../apache/iotdb/db/cq/ContinuousQueryService.java   |  1 +
 .../iotdb/db/metrics/server/ServerArgument.java      | 20 ++++++++------------
 2 files changed, 9 insertions(+), 12 deletions(-)

diff --git a/server/src/main/java/org/apache/iotdb/db/cq/ContinuousQueryService.java b/server/src/main/java/org/apache/iotdb/db/cq/ContinuousQueryService.java
index 22e90ca..eb2f908 100644
--- a/server/src/main/java/org/apache/iotdb/db/cq/ContinuousQueryService.java
+++ b/server/src/main/java/org/apache/iotdb/db/cq/ContinuousQueryService.java
@@ -114,6 +114,7 @@ public class ContinuousQueryService implements IService {
       } catch (InterruptedException e) {
         logger.warn("Check thread still doesn't exit after 60s");
         checkThread.shutdownNow();
+        Thread.currentThread().interrupt();
       }
     }
   }
diff --git a/server/src/main/java/org/apache/iotdb/db/metrics/server/ServerArgument.java b/server/src/main/java/org/apache/iotdb/db/metrics/server/ServerArgument.java
index a7e2fa7..077d93a 100644
--- a/server/src/main/java/org/apache/iotdb/db/metrics/server/ServerArgument.java
+++ b/server/src/main/java/org/apache/iotdb/db/metrics/server/ServerArgument.java
@@ -181,11 +181,7 @@ public class ServerArgument {
   private int getCpuRateForLinux() {
     try {
       long[] c0 = readLinuxCpu();
-      try {
-        Thread.sleep(CPUTIME);
-      } catch (InterruptedException e) {
-        Thread.currentThread().interrupt();
-      }
+      Thread.sleep(CPUTIME);
       long[] c1 = readLinuxCpu();
       if (c0 != null && c1 != null) {
         long idleCpuTime = c1[0] - c0[0];
@@ -197,10 +193,12 @@ public class ServerArgument {
       } else {
         return 0;
       }
+    } catch (InterruptedException e) {
+      Thread.currentThread().interrupt();
     } catch (Exception e) {
       logger.error("Get CPU Ratio failed", e);
-      return 0;
     }
+    return 0;
   }
 
   /** cpu ratio for windows */
@@ -211,11 +209,7 @@ public class ServerArgument {
               + "\\system32\\wbem\\wmic.exe process get Caption,CommandLine,"
               + "KernelModeTime,ReadOperationCount,ThreadCount,UserModeTime,WriteOperationCount";
       long[] c0 = readWinCpu(Runtime.getRuntime().exec(procCmd));
-      try {
-        Thread.sleep(CPUTIME);
-      } catch (InterruptedException e) {
-        Thread.currentThread().interrupt();
-      }
+      Thread.sleep(CPUTIME);
       long[] c1 = readWinCpu(Runtime.getRuntime().exec(procCmd));
       if (c0 != null && c1 != null) {
         long idletime = c1[0] - c0[0];
@@ -227,10 +221,12 @@ public class ServerArgument {
       } else {
         return 0;
       }
+    } catch (InterruptedException e) {
+      Thread.currentThread().interrupt();
     } catch (Exception e) {
       logger.error("Get CPU Ratio failed", e);
-      return 0;
     }
+    return 0;
   }
 
   /** read cpu info(windows) */