HDDS-9419. java.lang.UnsatisfiedLinkError when trying to read RocksDB…

… with ozone debug ldb (#5416)
apache · Oct 13, 2023 · 607122c · 607122c
1 parent 7d93446
commit 607122c
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Showing 2 changed files with 14 additions and 1 deletion.
diff --git a/hadoop-hdds/framework/src/main/java/org/apache/hadoop/hdds/utils/db/RocksDatabase.java b/hadoop-hdds/framework/src/main/java/org/apache/hadoop/hdds/utils/db/RocksDatabase.java
@@ -32,6 +32,7 @@
 import org.apache.hadoop.hdds.utils.db.managed.ManagedReadOptions;
 import org.apache.hadoop.hdds.utils.db.managed.ManagedRocksDB;
 import org.apache.hadoop.hdds.utils.db.managed.ManagedRocksIterator;
+import org.apache.hadoop.hdds.utils.db.managed.ManagedRocksObjectUtils;
 import org.apache.hadoop.hdds.utils.db.managed.ManagedTransactionLogIterator;
 import org.apache.hadoop.hdds.utils.db.managed.ManagedWriteBatch;
 import org.apache.hadoop.hdds.utils.db.managed.ManagedWriteOptions;
@@ -80,9 +81,11 @@ public final class RocksDatabase implements Closeable {
   static final Logger LOG = LoggerFactory.getLogger(RocksDatabase.class);
 
   public static final String ESTIMATE_NUM_KEYS = "rocksdb.estimate-num-keys";
+  static {
+    ManagedRocksObjectUtils.loadRocksDBLibrary();
+  }
   private static final ManagedReadOptions DEFAULT_READ_OPTION =
       new ManagedReadOptions();
-
   private static Map<String, List<ColumnFamilyHandle>> dbNameToCfHandleMap =
       new HashMap<>();
 

diff --git a/...ocksdb/src/main/java/org/apache/hadoop/hdds/utils/db/managed/ManagedRocksObjectUtils.java b/...ocksdb/src/main/java/org/apache/hadoop/hdds/utils/db/managed/ManagedRocksObjectUtils.java
@@ -21,6 +21,7 @@
 import org.apache.hadoop.hdds.HddsUtils;
 import org.awaitility.Awaitility;
 import org.awaitility.core.ConditionTimeoutException;
+import org.rocksdb.RocksDB;
 import org.rocksdb.RocksObject;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -113,4 +114,13 @@ public static void waitForFileDelete(File file, Duration maxDuration)
     waitForFileDelete(file, maxDuration, POLL_INTERVAL_DURATION,
         POLL_DELAY_DURATION);
   }
+
+  /**
+   * Ensures that the RocksDB native library is loaded.
+   * This method should be called before performing any operations
+   * that require the RocksDB native library.
+   */
+  public static void loadRocksDBLibrary() {
+    RocksDB.loadLibrary();
+  }
 }