Skip to content

8321687: Test vmTestbase/nsk/jvmti/scenarios/contention/TC03/tc03t002/TestDescription.java failed: JVMTI_ERROR_THREAD_NOT_ALIVE #27831

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
wants to merge 9 commits into from
Closed

8321687: Test vmTestbase/nsk/jvmti/scenarios/contention/TC03/tc03t002/TestDescription.java failed: JVMTI_ERROR_THREAD_NOT_ALIVE #27831

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
9 commits
Select commit Hold shift + click to select a range
7cf8f9f
8321687: Test vmTestbase/nsk/jvmti/scenarios/contention/TC03/tc03t002…
lmesnik Oct 15, 2025
385b3e0
updated after feedback
lmesnik Oct 15, 2025
80fc4d5
added one more test
lmesnik Oct 15, 2025
fc0cf81
fixed applied
lmesnik Oct 16, 2025
bc31117
fix
lmesnik Oct 16, 2025
e70b884
space added
lmesnik Oct 16, 2025
4833e33
the count variables are corrected
lmesnik Oct 17, 2025
954fc28
renamed threadList
lmesnik Oct 17, 2025
507b7e1
Apply suggestions from code review
lmesnik Oct 17, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
6 changes: 4 additions & 2 deletions test/hotspot/jtreg/vmTestbase/nsk/jvmti/scenarios/contention/TC03/tc03t001.java
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
/*
* Copyright (c) 2004, 2018, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2004, 2025, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
Expand Down Expand Up @@ -123,14 +123,16 @@ public int runIt(String argv[], PrintStream out) {
/* =================================================================== */

class tc03t001Thread extends Thread {
// The thread name prefix is used to find thread from jvmti agent.
final static String threadNamePrefix = "Debuggee Thread";

Object lock1;
Object lock2;
int lock1Counter = 0;
int lock2Counter = 0;

public tc03t001Thread(Object o1, Object o2) {
super("Debuggee Thread " + o1 + o2);
super(threadNamePrefix + " " + o1 + o2);
lock1 = o1;
lock2 = o2;
}
Expand Down
64 changes: 38 additions & 26 deletions test/hotspot/jtreg/vmTestbase/nsk/jvmti/scenarios/contention/TC03/tc03t001/tc03t001.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
/*
* Copyright (c) 2004, 2024, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2004, 2025, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
Expand Down Expand Up @@ -41,10 +41,13 @@ typedef struct {
static jlong timeout = 0;

/* test objects */
static threadDesc *threadList = nullptr;
static jint threads_count = 0;
static threadDesc *debuggee_threads = nullptr;
static jint debuggee_threads_cnt = 0;
static int numberOfDeadlocks = 0;

static const char* THREAD_NAME_PREFIX = "Debugee Thread";
static const size_t THREAD_NAME_PREFIX_LEN = strlen(THREAD_NAME_PREFIX);

/* ========================================================================== */

static int printDeadlock(jvmtiEnv* jvmti, JNIEnv* jni, int dThread) {
Expand All @@ -56,9 +59,9 @@ static int printDeadlock(jvmtiEnv* jvmti, JNIEnv* jni, int dThread) {

NSK_DISPLAY1("Found deadlock #%d:\n", numberOfDeadlocks);
for (pThread = dThread;;pThread = cThread) {
NSK_DISPLAY1(" \"%s\":\n", threadList[pThread].name);
NSK_DISPLAY1(" \"%s\":\n", debuggee_threads[pThread].name);
if (!NSK_JVMTI_VERIFY(
jvmti->GetCurrentContendedMonitor(threadList[pThread].thread, &monitor)))
jvmti->GetCurrentContendedMonitor(debuggee_threads[pThread].thread, &monitor)))
return NSK_FALSE;
if (monitor != nullptr) {
if (!NSK_JNI_VERIFY(jni, (klass = jni->GetObjectClass(monitor)) != nullptr))
Expand All @@ -74,8 +77,8 @@ static int printDeadlock(jvmtiEnv* jvmti, JNIEnv* jni, int dThread) {
return NSK_FALSE;
if (usageInfo.owner == nullptr)
break;
for (cThread = 0; cThread < threads_count; cThread++) {
if (jni->IsSameObject(threadList[cThread].thread, usageInfo.owner))
for (cThread = 0; cThread < debuggee_threads_cnt; cThread++) {
if (jni->IsSameObject(debuggee_threads[cThread].thread, usageInfo.owner))
break;
}
if (usageInfo.waiters != nullptr) {
Expand All @@ -84,10 +87,10 @@ static int printDeadlock(jvmtiEnv* jvmti, JNIEnv* jni, int dThread) {
if (usageInfo.notify_waiters != nullptr) {
jvmti->Deallocate((unsigned char*)usageInfo.notify_waiters);
}
if (!NSK_VERIFY(cThread != threads_count))
if (!NSK_VERIFY(cThread != debuggee_threads_cnt))
return NSK_FALSE;
NSK_DISPLAY1(" which is held by \"%s\"\n",
threadList[cThread].name);
debuggee_threads[cThread].name);
if (cThread == dThread)
break;
}
Expand All @@ -103,8 +106,9 @@ static int findDeadlockThreads(jvmtiEnv* jvmti, JNIEnv* jni) {
int tDfn = 0, gDfn = 0;
int pThread, cThread;
int i;
int threads_count = 0;

NSK_DISPLAY0("Create threadList\n");
NSK_DISPLAY0("Create debuggee_threads\n");

/* get all live threads */
if (!NSK_JVMTI_VERIFY(jvmti->GetAllThreads(&threads_count, &threads)))
Expand All @@ -114,7 +118,7 @@ static int findDeadlockThreads(jvmtiEnv* jvmti, JNIEnv* jni) {
return NSK_FALSE;

if (!NSK_JVMTI_VERIFY(
jvmti->Allocate(threads_count*sizeof(threadDesc), (unsigned char**)&threadList)))
jvmti->Allocate(threads_count*sizeof(threadDesc), (unsigned char**)&debuggee_threads)))
return NSK_FALSE;

for (i = 0; i < threads_count; i++) {
Expand All @@ -127,31 +131,39 @@ static int findDeadlockThreads(jvmtiEnv* jvmti, JNIEnv* jni) {

NSK_DISPLAY3(" thread #%d (%s): %p\n", i, info.name, threads[i]);

threadList[i].thread = threads[i];
threadList[i].dfn = -1;
threadList[i].name = info.name;
if (!strncmp(info.name, THREAD_NAME_PREFIX, THREAD_NAME_PREFIX_LEN)) {
NSK_DISPLAY1("Skipping thread %s\n", info.name);
if (!NSK_JVMTI_VERIFY(jvmti->Deallocate((unsigned char*)info.name)))
return NSK_FALSE;
continue;
}

debuggee_threads[debuggee_threads_cnt].thread = threads[i];
debuggee_threads[debuggee_threads_cnt].dfn = -1;
debuggee_threads[debuggee_threads_cnt].name = info.name;
debuggee_threads_cnt++;
}

/* deallocate thread list */
if (!NSK_JVMTI_VERIFY(jvmti->Deallocate((unsigned char*)threads)))
return NSK_FALSE;

for (i = 0; i < threads_count; i++) {
if (threadList[i].dfn < 0) {
for (i = 0; i < debuggee_threads_cnt; i++) {
if (debuggee_threads[i].dfn < 0) {
tDfn = gDfn;
threadList[i].dfn = gDfn++;
debuggee_threads[i].dfn = gDfn++;
for (pThread = i;;pThread = cThread) {
if (!NSK_JVMTI_VERIFY(
jvmti->GetCurrentContendedMonitor(threadList[pThread].thread, &monitor)))
jvmti->GetCurrentContendedMonitor(debuggee_threads[pThread].thread, &monitor)))
return NSK_FALSE;
if (monitor == nullptr)
break;
if (!NSK_JVMTI_VERIFY(jvmti->GetObjectMonitorUsage(monitor, &usageInfo)))
return NSK_FALSE;
if (usageInfo.owner == nullptr)
break;
for (cThread = 0; cThread < threads_count; cThread++) {
if (jni->IsSameObject(threadList[cThread].thread, usageInfo.owner))
for (cThread = 0; cThread < debuggee_threads_cnt; cThread++) {
if (jni->IsSameObject(debuggee_threads[cThread].thread, usageInfo.owner))
break;
}
if (usageInfo.waiters != nullptr) {
Expand All @@ -160,10 +172,10 @@ static int findDeadlockThreads(jvmtiEnv* jvmti, JNIEnv* jni) {
if (usageInfo.notify_waiters != nullptr) {
jvmti->Deallocate((unsigned char*)usageInfo.notify_waiters);
}
if (!NSK_VERIFY(cThread != threads_count))
if (!NSK_VERIFY(cThread != debuggee_threads_cnt))
return NSK_FALSE;
if (threadList[cThread].dfn < 0) {
threadList[cThread].dfn = gDfn++;
if (debuggee_threads[cThread].dfn < 0) {
debuggee_threads[cThread].dfn = gDfn++;
} else if (cThread == pThread) {
break;
} else {
Expand All @@ -179,9 +191,9 @@ static int findDeadlockThreads(jvmtiEnv* jvmti, JNIEnv* jni) {
}

/* deallocate thread names */
for (i = 0; i < threads_count; i++) {
if (threadList[i].name != nullptr) {
if (!NSK_JVMTI_VERIFY(jvmti->Deallocate((unsigned char*)threadList[i].name)))
for (i = 0; i < debuggee_threads_cnt; i++) {
if (debuggee_threads[i].name != nullptr) {
if (!NSK_JVMTI_VERIFY(jvmti->Deallocate((unsigned char*)debuggee_threads[i].name)))
return NSK_FALSE;
}
}
Expand Down
7 changes: 4 additions & 3 deletions test/hotspot/jtreg/vmTestbase/nsk/jvmti/scenarios/contention/TC03/tc03t002.java
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
/*
* Copyright (c) 2004, 2018, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2004, 2025, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
Expand Down Expand Up @@ -104,15 +104,16 @@ public int runIt(String argv[], PrintStream out) {
/* =================================================================== */

class tc03t002Thread extends Thread {

// The thread name prefix is used to find thread from jvmti agent.
final static String threadNamePrefix = "Debuggee Thread";
static Wicket startingBarrier = new Wicket(3);
static Wicket lockingBarrier = new Wicket(3);
Wicket waitingBarrier = new Wicket();
Object lock1;
Object lock2;

public tc03t002Thread(Object o1, Object o2) {
super("Debuggee Thread " + o1 + o2);
super(threadNamePrefix + " " + o1 + o2);
lock1 = o1;
lock2 = o2;
}
Expand Down
65 changes: 39 additions & 26 deletions test/hotspot/jtreg/vmTestbase/nsk/jvmti/scenarios/contention/TC03/tc03t002/tc03t002.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
/*
* Copyright (c) 2004, 2024, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2004, 2025, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
Expand Down Expand Up @@ -41,10 +41,13 @@ typedef struct {
static jlong timeout = 0;

/* test objects */
static threadDesc *threadList = nullptr;
static jint threads_count = 0;
static threadDesc *debuggee_threads = nullptr;
static jint debuggee_threads_cnt = 0;
static int numberOfDeadlocks = 0;

static const char* THREAD_NAME_PREFIX = "Debugee Thread";
static const size_t THREAD_NAME_PREFIX_LEN = strlen(THREAD_NAME_PREFIX);

/* ========================================================================== */

static int printDeadlock(jvmtiEnv* jvmti, JNIEnv* jni, int dThread) {
Expand All @@ -56,9 +59,9 @@ static int printDeadlock(jvmtiEnv* jvmti, JNIEnv* jni, int dThread) {

NSK_DISPLAY1("Found deadlock #%d:\n", numberOfDeadlocks);
for (pThread = dThread;;pThread = cThread) {
NSK_DISPLAY1(" \"%s\":\n", threadList[pThread].name);
NSK_DISPLAY1(" \"%s\":\n", debuggee_threads[pThread].name);
if (!NSK_JVMTI_VERIFY(
jvmti->GetCurrentContendedMonitor(threadList[pThread].thread, &monitor)))
jvmti->GetCurrentContendedMonitor(debuggee_threads[pThread].thread, &monitor)))
return NSK_FALSE;
if (monitor != nullptr) {
if (!NSK_JNI_VERIFY(jni, (klass = jni->GetObjectClass(monitor)) != nullptr))
Expand All @@ -74,8 +77,8 @@ static int printDeadlock(jvmtiEnv* jvmti, JNIEnv* jni, int dThread) {
return NSK_FALSE;
if (usageInfo.owner == nullptr)
break;
for (cThread = 0; cThread < threads_count; cThread++) {
if (jni->IsSameObject(threadList[cThread].thread, usageInfo.owner))
for (cThread = 0; cThread < debuggee_threads_cnt; cThread++) {
if (jni->IsSameObject(debuggee_threads[cThread].thread, usageInfo.owner))
break;
}
if (usageInfo.waiters != nullptr) {
Expand All @@ -84,10 +87,10 @@ static int printDeadlock(jvmtiEnv* jvmti, JNIEnv* jni, int dThread) {
if (usageInfo.notify_waiters != nullptr) {
jvmti->Deallocate((unsigned char*)usageInfo.notify_waiters);
}
if (!NSK_VERIFY(cThread != threads_count))
if (!NSK_VERIFY(cThread != debuggee_threads_cnt))
return NSK_FALSE;
NSK_DISPLAY1(" which is held by \"%s\"\n",
threadList[cThread].name);
debuggee_threads[cThread].name);
if (cThread == dThread)
break;
}
Expand All @@ -103,8 +106,9 @@ static int findDeadlockThreads(jvmtiEnv* jvmti, JNIEnv* jni) {
int tDfn = 0, gDfn = 0;
int pThread, cThread;
int i;
int threads_count = 0;

NSK_DISPLAY0("Create threadList\n");
NSK_DISPLAY0("Create debuggee_threads\n");

/* get all live threads */
if (!NSK_JVMTI_VERIFY(jvmti->GetAllThreads(&threads_count, &threads)))
Expand All @@ -114,7 +118,7 @@ static int findDeadlockThreads(jvmtiEnv* jvmti, JNIEnv* jni) {
return NSK_FALSE;

if (!NSK_JVMTI_VERIFY(
jvmti->Allocate(threads_count*sizeof(threadDesc), (unsigned char**)&threadList)))
jvmti->Allocate(threads_count*sizeof(threadDesc), (unsigned char**)&debuggee_threads)))
return NSK_FALSE;

for (i = 0; i < threads_count; i++) {
Expand All @@ -127,31 +131,40 @@ static int findDeadlockThreads(jvmtiEnv* jvmti, JNIEnv* jni) {

NSK_DISPLAY3(" thread #%d (%s): %p\n", i, info.name, threads[i]);

threadList[i].thread = threads[i];
threadList[i].dfn = -1;
threadList[i].name = info.name;
if (!strncmp(info.name, THREAD_NAME_PREFIX, THREAD_NAME_PREFIX_LEN)) {
NSK_DISPLAY1("Skipping thread %s\n", info.name);
if (!NSK_JVMTI_VERIFY(jvmti->Deallocate((unsigned char*)info.name)))
return NSK_FALSE;
continue;
}

debuggee_threads[debuggee_threads_cnt].thread = threads[i];
debuggee_threads[debuggee_threads_cnt].dfn = -1;
debuggee_threads[debuggee_threads_cnt].name = info.name;
debuggee_threads_cnt++;
}

/* deallocate thread list */
if (!NSK_JVMTI_VERIFY(jvmti->Deallocate((unsigned char*)threads)))
return NSK_FALSE;

for (i = 0; i < threads_count; i++) {
if (threadList[i].dfn < 0) {
for (i = 0; i < debuggee_threads_cnt; i++) {

if (debuggee_threads[i].dfn < 0) {
tDfn = gDfn;
threadList[i].dfn = gDfn++;
debuggee_threads[i].dfn = gDfn++;
for (pThread = i;;pThread = cThread) {
if (!NSK_JVMTI_VERIFY(
jvmti->GetCurrentContendedMonitor(threadList[pThread].thread, &monitor)))
jvmti->GetCurrentContendedMonitor(debuggee_threads[pThread].thread, &monitor)))
return NSK_FALSE;
if (monitor == nullptr)
break;
if (!NSK_JVMTI_VERIFY(jvmti->GetObjectMonitorUsage(monitor, &usageInfo)))
return NSK_FALSE;
if (usageInfo.owner == nullptr)
break;
for (cThread = 0; cThread < threads_count; cThread++) {
if (jni->IsSameObject(threadList[cThread].thread, usageInfo.owner))
for (cThread = 0; cThread < debuggee_threads_cnt; cThread++) {
if (jni->IsSameObject(debuggee_threads[cThread].thread, usageInfo.owner))
break;
}
if (usageInfo.waiters != nullptr) {
Expand All @@ -160,10 +173,10 @@ static int findDeadlockThreads(jvmtiEnv* jvmti, JNIEnv* jni) {
if (usageInfo.notify_waiters != nullptr) {
jvmti->Deallocate((unsigned char*)usageInfo.notify_waiters);
}
if (!NSK_VERIFY(cThread != threads_count))
if (!NSK_VERIFY(cThread != debuggee_threads_cnt))
return NSK_FALSE;
if (threadList[cThread].dfn < 0) {
threadList[cThread].dfn = gDfn++;
if (debuggee_threads[cThread].dfn < 0) {
debuggee_threads[cThread].dfn = gDfn++;
} else if (cThread == pThread) {
break;
} else {
Expand All @@ -179,9 +192,9 @@ static int findDeadlockThreads(jvmtiEnv* jvmti, JNIEnv* jni) {
}

/* deallocate thread names */
for (i = 0; i < threads_count; i++) {
if (threadList[i].name != nullptr) {
if (!NSK_JVMTI_VERIFY(jvmti->Deallocate((unsigned char*)threadList[i].name)))
for (i = 0; i < debuggee_threads_cnt; i++) {
if (debuggee_threads[i].name != nullptr) {
if (!NSK_JVMTI_VERIFY(jvmti->Deallocate((unsigned char*)debuggee_threads[i].name)))
return NSK_FALSE;
}
}
Expand Down