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

stoty pushed a commit to branch branch-2.5
in repository https://gitbox.apache.org/repos/asf/hbase.git


The following commit(s) were added to refs/heads/branch-2.5 by this push:
     new 8ab9149a754 HBASE-29612 Remove HBaseTestingUtil.forceChangeTaskLogDir 
(#7329)
8ab9149a754 is described below

commit 8ab9149a754fad7b4c5262ebbea296516bccb4a6
Author: Istvan Toth <st...@apache.org>
AuthorDate: Sat Sep 20 17:06:40 2025 +0200

    HBASE-29612 Remove HBaseTestingUtil.forceChangeTaskLogDir (#7329)
    
    Co-authored-by: Daniel Roudnitsky <droudnits...@bloomberg.net>
    Signed-off-by: Duo Zhang <zhang...@apache.org>
    (cherry picked from commit 99f8eabe19b4f9ef8e10ea0f0bea0a67d78436dc)
---
 .../apache/hadoop/hbase/HBaseTestingUtility.java   | 39 ++++------------------
 1 file changed, 6 insertions(+), 33 deletions(-)

diff --git 
a/hbase-server/src/test/java/org/apache/hadoop/hbase/HBaseTestingUtility.java 
b/hbase-server/src/test/java/org/apache/hadoop/hbase/HBaseTestingUtility.java
index 3db73e1ad5f..bc49fe40638 100644
--- 
a/hbase-server/src/test/java/org/apache/hadoop/hbase/HBaseTestingUtility.java
+++ 
b/hbase-server/src/test/java/org/apache/hadoop/hbase/HBaseTestingUtility.java
@@ -28,7 +28,6 @@ import java.io.IOException;
 import java.io.OutputStream;
 import java.io.UncheckedIOException;
 import java.lang.reflect.Field;
-import java.lang.reflect.Modifier;
 import java.net.BindException;
 import java.net.DatagramSocket;
 import java.net.InetAddress;
@@ -139,7 +138,6 @@ import org.apache.hadoop.hbase.util.JVMClusterUtil;
 import org.apache.hadoop.hbase.util.JVMClusterUtil.MasterThread;
 import org.apache.hadoop.hbase.util.JVMClusterUtil.RegionServerThread;
 import org.apache.hadoop.hbase.util.Pair;
-import org.apache.hadoop.hbase.util.ReflectionUtils;
 import org.apache.hadoop.hbase.util.RegionSplitter;
 import org.apache.hadoop.hbase.util.RegionSplitter.SplitAlgorithm;
 import org.apache.hadoop.hbase.util.RetryCounter;
@@ -157,7 +155,6 @@ import 
org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi;
 import org.apache.hadoop.hdfs.server.namenode.EditLogFileOutputStream;
 import org.apache.hadoop.mapred.JobConf;
 import org.apache.hadoop.mapred.MiniMRCluster;
-import org.apache.hadoop.mapred.TaskLog;
 import org.apache.hadoop.minikdc.MiniKdc;
 import org.apache.hadoop.security.authentication.util.KerberosName;
 import org.apache.yetus.audience.InterfaceAudience;
@@ -2784,6 +2781,9 @@ public class HBaseTestingUtility extends 
HBaseZKTestingUtility {
 
   /**
    * Starts a <code>MiniMRCluster</code> with a default number of 
<code>TaskTracker</code>'s.
+   * MiniMRCluster caches hadoop.log.dir when first started. It is not 
possible to start multiple
+   * MiniMRCluster instances with different log dirs. MiniMRCluster is only to 
be used from when the
+   * test is run from a separate VM (i.e not in SmallTests)
    * @throws IOException When starting the cluster fails.
    */
   public MiniMRCluster startMiniMapReduceCluster() throws IOException {
@@ -2794,36 +2794,11 @@ public class HBaseTestingUtility extends 
HBaseZKTestingUtility {
     return mrCluster;
   }
 
-  /**
-   * Tasktracker has a bug where changing the hadoop.log.dir system property 
will not change its
-   * internal static LOG_DIR variable.
-   */
-  private void forceChangeTaskLogDir() {
-    Field logDirField;
-    try {
-      logDirField = TaskLog.class.getDeclaredField("LOG_DIR");
-      logDirField.setAccessible(true);
-
-      Field modifiersField = ReflectionUtils.getModifiersField();
-      modifiersField.setAccessible(true);
-      modifiersField.setInt(logDirField, logDirField.getModifiers() & 
~Modifier.FINAL);
-
-      logDirField.set(null, new File(hadoopLogDir, "userlogs"));
-    } catch (SecurityException e) {
-      throw new RuntimeException(e);
-    } catch (NoSuchFieldException e) {
-      // TODO Auto-generated catch block
-      throw new RuntimeException(e);
-    } catch (IllegalArgumentException e) {
-      throw new RuntimeException(e);
-    } catch (IllegalAccessException e) {
-      throw new RuntimeException(e);
-    }
-  }
-
   /**
    * Starts a <code>MiniMRCluster</code>. Call {@link 
#setFileSystemURI(String)} to use a different
-   * filesystem.
+   * filesystem. MiniMRCluster caches hadoop.log.dir when first started. It is 
not possible to start
+   * multiple MiniMRCluster instances with different log dirs. MiniMRCluster 
is only to be used from
+   * when the test is run from a separate VM (i.e not in SmallTests)
    * @param servers The number of <code>TaskTracker</code>'s to start.
    * @throws IOException When starting the cluster fails.
    */
@@ -2835,8 +2810,6 @@ public class HBaseTestingUtility extends 
HBaseZKTestingUtility {
     setupClusterTestDir();
     createDirsAndSetProperties();
 
-    forceChangeTaskLogDir();
-
     //// hadoop2 specific settings
     // Tests were failing because this process used 6GB of virtual memory and 
was getting killed.
     // we up the VM usable so that processes don't get killed.

Reply via email to