test/runtime/Thread/TestThreadDumpMonitorContention.java

*** 27,36 ****
--- 27,37 ----
   * @bug     8046287
   * @summary Creates two threads contending for the same lock and checks
   *      whether jstack reports "locked" by more than one thread.
   *
   * @library /testlibrary
+  * @build com.oracle.java.testlibrary.*
   * @run main/othervm TestThreadDumpMonitorContention
   */
  
  import java.io.BufferedReader;
  import java.io.InputStreamReader;