integration test issues

java/memory/src/main/java/org/apache/arrow/memory/OwnershipTransferNOOP.java

@@ -0,0 +1,38 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.arrow.memory;
+
+import io.netty.buffer.ArrowBuf;
+
+public class OwnershipTransferNOOP implements OwnershipTransferResult {
+  private final ArrowBuf buffer;
+
+  OwnershipTransferNOOP(final ArrowBuf buf) {
+    this.buffer = buf;
+  }
+
+  @Override
+  public ArrowBuf getTransferredBuffer() {
+    return buffer;
+  }
+
+  @Override
+  public boolean getAllocationFit() {
+    return true;
+  }
+}

java/memory/src/main/java/org/apache/arrow/memory/ReferenceManager.java

@@ -17,7 +17,6 @@
 
 package org.apache.arrow.memory;
 
-import org.apache.arrow.util.Preconditions;
 
 import io.netty.buffer.ArrowBuf;
 
@@ -157,12 +156,12 @@ public ArrowBuf deriveBuffer(ArrowBuf sourceBuffer, int index, int length) {
 
     @Override
     public OwnershipTransferResult transferOwnership(ArrowBuf sourceBuffer, BufferAllocator targetAllocator) {
-      throw new UnsupportedOperationException(NO_OP_ERROR_MESSAGE);
+      return new OwnershipTransferNOOP(sourceBuffer);
     }
 
     @Override
     public BufferAllocator getAllocator() {
-      throw new UnsupportedOperationException(NO_OP_ERROR_MESSAGE);
+      return new RootAllocator(0);
     }
 
     @Override