src/jdk.jdi/share/classes/com/sun/tools/jdi/InvokableTypeImpl.java

*** 234,252 ****
  
      private PacketStream sendInvokeCommand(final ThreadReferenceImpl thread,
                                             final MethodImpl method,
                                             final ValueImpl[] args,
                                             final int options) {
!         /*
!          * Cache the values of args when TRACE_SENDS is enabled, for later printing.
!          * If not cached, printing causes a remote call while synchronized, and deadlock.
!          */
!         if ((vm.traceFlags & VirtualMachine.TRACE_SENDS) != 0) {
!            for (ValueImpl arg: args) {
!               arg.toString();
!            }
!         }
          CommandSender sender = getInvokeMethodSender(thread, method, args, options);
          PacketStream stream;
          if ((options & ClassType.INVOKE_SINGLE_THREADED) != 0) {
              stream = thread.sendResumingCommand(sender);
          } else {
--- 234,244 ----
  
      private PacketStream sendInvokeCommand(final ThreadReferenceImpl thread,
                                             final MethodImpl method,
                                             final ValueImpl[] args,
                                             final int options) {
! 
          CommandSender sender = getInvokeMethodSender(thread, method, args, options);
          PacketStream stream;
          if ((options & ClassType.INVOKE_SINGLE_THREADED) != 0) {
              stream = thread.sendResumingCommand(sender);
          } else {