What's Changed

• Shade full jctools by @jbachorik in https://github.com/btraceio/btrace/pull/645
• Do not drop CHECKCAST instructions by @jbachorik in https://github.com/btraceio/btrace/pull/646
• Fix gradle tasks to generate javadoc and sources maven artifacts by @jbachorik in https://github.com/btraceio/btrace/pull/650
• chore(deps): Update various dependencies and GHA
• Update Gradle to 8.6 by @jbachorik in https://github.com/btraceio/btrace/pull/673
• Update upload/download GHA by @jbachorik in https://github.com/btraceio/btrace/pull/672

Full Changelog: https://github.com/btraceio/btrace/compare/v2.2.4...v2.2.5

What's Changed

• Fixing all Gradle deprecation warnings by @AlxNu in https://github.com/btraceio/btrace/pull/609
• Platform agnosticism by @AlxNu in https://github.com/btraceio/btrace/pull/608
• All dependencies handing switched to dependencyResolutionManagement by @AlxNu in https://github.com/btraceio/btrace/pull/612
• Add the required jctools classes to the client jar. by @jbachorik in https://github.com/btraceio/btrace/pull/634
• Use Gradle Toolchains by @jbachorik in https://github.com/btraceio/btrace/pull/637
• Stackmap frames fixes by @jbachorik in https://github.com/btraceio/btrace/pull/641

New Contributors

• @GGGGGHT made their first contribution in https://github.com/btraceio/btrace/pull/584
• @AlxNu made their first contribution in https://github.com/btraceio/btrace/pull/609
• @strogiyotec made their first contribution in https://github.com/btraceio/btrace/pull/629

Full Changelog: https://github.com/btraceio/btrace/compare/v2.2.3...v2.2.4

Changelog

v2.2.3 (2022-12-23)

What's Changed

• Do not synchronize on ClassCache operations by @jbachorik in https://github.com/btraceio/btrace/pull/540
• Allow executing commands on BTrace server by @jbachorik in https://github.com/btraceio/btrace/pull/559
• Store before-jump state for switch labels by @jbachorik in https://github.com/btraceio/btrace/pull/563
• Use SLF4J SimpleLogger by @jbachorik in https://github.com/btraceio/btrace/pull/562
• Make 'sun.security.action' accessible to BTraceUtils class. by @jbachorik in https://github.com/btraceio/btrace/pull/583
• Add JDK19 to test matrix by @jbachorik in https://github.com/btraceio/btrace/pull/585
• Bump ASM library to 9.4 by @jbachorik in https://github.com/btraceio/btrace/pull/586
• Split functional tests into a separate integration-tests module by @jbachorik in https://github.com/btraceio/btrace/pull/587
• Follow the class hierarchy to lookup a field by @GGGGGHT in https://github.com/btraceio/btrace/pull/584
• Returning false if file does not end with .class by @joachimhs in https://github.com/btraceio/btrace/pull/580
• Load only supported probe files by @jbachorik in https://github.com/btraceio/btrace/pull/588
• Properly handle script arguments. by @jbachorik in https://github.com/btraceio/btrace/pull/593
• Improve stack-tracking visitor robustness by @jbachorik in https://github.com/btraceio/btrace/pull/601

New Contributors

• @GGGGGHT made their first contribution in https://github.com/btraceio/btrace/pull/584

Full Changelog: https://github.com/btraceio/btrace/compare/v2.2.2...v2.2.3

Changelog

v2.1.0 (2021-01-24)

Full Changelog

Fixed issues:

• BTrace support for custom JFR events #429
• Do not generate cushion methods when Indy is used #431
• Initial support of unattended mode #430

* This Changelog was automatically generated by github_changelog_generator

Changelog

v2.0.3 (2020-11-07)

Full Changelog

Fixed issues:

• Fix variable mapper behavior in corner cases #425
• BTrace checks only first return in traced method #426

* This Changelog was automatically generated by github_changelog_generator

Changelog

v2.0.2 (2020-05-24)

Full Changelog

Fixed issues:

• @OnMethod with @Location(RETURN) and @Level causes NoSuchFieldError: $btrace$$level #419
• Traced application can deadlock on exit #417
• Cannot print info to console #416
• compiled failed with "Could not target platform: 'Java SE 11' using tool chain: 'JDK 9 (1.9)'." #404
• java.lang.VerifyError: Inconsistent stackmap frames at branch target 475 with Btrace 2.0 #401
• Unable to open socket file: target process not responding or HotSpot VM not loaded #395

Closed issues:

• Btracec compiled failure with IBM-JDK #403
• I am interested in why don't provide a method in BTraceUtils to println all fields of an object? #285
• QUESTION: How to expose Aggregation details through MBean? #270
• visible example #217
• Feature Request: Add tracing of native methods #115
• [BTRACE-78] Ability to find values of local variables when reaching specific line number using @Location #25
• Can't track object creation #356
• can btrace implement hot swap？ #346
• Collect stacks from AsyncGetCallTrace #310
• Replace the legacy profiling infrastructure with HDRHistogram #297
• No console output if not in verbose mode #254
• [BTRACE-74] Make it easier to write a BTrace script which detects concurrent access to an object. #77
• [BTRACE-107] Kind.CALL event missed #70
• [BTRACE-121] Kind.CALL support for overlapping instrumentation is not optimal #69
• [BTRACE-116] Optimize access to the current BTrace runtime in the injected handler methods #68
• [BTRACE-54] Object count for instrumented classes #38

* This Changelog was automatically generated by github_changelog_generator

Changelog

v2.0.1 (2020-04-19)

Full Changelog

Closed issues:

• Compilation fail on windows 10 x64 #413
• Wiki imports don't work with openjdk #410
• a bug in btrace script? #408
• ArrayIndexOutOfBoundsException in VariableMapper #377
• Does this support OpenJdk11? #374
• Allow attaching to a JVM by its name #402

* This Changelog was automatically generated by github_changelog_generator

Changelog

2.0.0

Full Changelog

Implemented enhancements:

• JPMS support (Java 9, 10 and 11) #374

Fixed bugs:

• Starting 2 different Btrace processes in 1 server ran into infinite loop? #396
• ArrayIndexOutOfBoundsException in VariableMapper #377
• sometimes ctrl-c and select exit will cause jvm throw java.lang.NoSuchMethodError and crash #344
• Problematic remapping of variable slots originally taken by padding #341
• tracing using compiled script may not work #381
• btrace WARNING: java.lang.ArrayIndexOutOfBoundsException: 11818 #387

* This Changelog was automatically generated by github_changelog_generator

v1.3.11.3 (2018-12-17)

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Full Changelog

Fixed bugs:

• Stackmap frame incorrectly generated for reused variables of differing length #372

* This Change Log was automatically generated by github_changelog_generator

v1.3.11.2 (2018-12-02)

Binaries also available from bintray.com

Full Changelog

Fixed bugs:

• Caused by: java.lang.VerifyError: Bad local variable type #262
• Relax class transformation synchronization #369
• ArrayIndexOutOfBoundsException: 8 at InstrumentingMethodVisitor.java:1337 #367
• java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.String #333

Closed issues:

• onThrow.java sample not working #370
• AllMethod regex not working #368
• Stucked when executes ./gradlew build under jdk1.7.0_80 #352

Merged pull requests:

• Refactored out the dot formatting #360 (refactormachine)
• Tracing code remotely #359 (gawaine1988)

* This Change Log was automatically generated by github_changelog_generator

v1.3.11.1 (2018-09-01)

Full Changelog

Fixed bugs:

• Problematic remapping of variable slots originally taken by padding #341
• @Location(value = Kind.ERROR) changes the execution path in case the error is catched and not thrown in code #335
• StringIndexOutOfBoundsException on 1.3.10+ #357
• Retransformation should ignore IllegalStateException if a webapp is stopped in a countainer #351
• ./gradlew buildDistribution can not resolve nebula.ospackage #350
• java.util.concurrent.ExecutionException: java.lang.IllegalArgumentException #349
• Invalid 'libs' configuration [null] #347
• Template extraction is broken for values ending with "$" #345
• NoClassDefFoundError #343
• java.lang.NoClassDefFoundError: Test$1 #332
• regex matching not working #340
• Agent defined named properties ignored for dynamically attached agents #336

Closed issues:

• Could I use btrace to track methods in sun.misc.Unsafe? #348
• How to install btrace on visualVM #342
• The lastest version code contrains errors when execute "./gradlew build" with jdk1.8.0_162 and gradle 4.7 #334
• Not able to see any stack trace related to my btrace #331
• my java script is too Bigger,can't run #325
• Location(kind = Kind.NEWARRAY) dimension always 1 #318
• how to run CRNK application with jersey Example #314
• BTraceUtils.str don't invoke toString() when instance is not in a collection. #226

* This Change Log was automatically generated by github_changelog_generator

Change Log

Full Changelog

New Features and Improvements

• Provide JVM startup agent arguments via Sys.$(arg) #295
• Passing the class name dynamically to clazz parameter in BTrace script #298
• Invalid 'libs' argument should be detected and logged as warning #320
• BTraceUtils.printArray() should accept also primitive arrays #322
• Provide support for method parameters for CATCH, THROW and ERROR #327
• Allow specifying file extension for BTrace script packs #329

Fixed bugs:

• Impossible to build btrace with jdk1.7(jdk1.8 works fine) #323
• BTraceUtils.subtsr() parameter 'length' name is confusing #279

* This Change Log was automatically generated by github_changelog_generator

Change Log

Full Changelog

Fixed bugs:

• Generating JavaDoc Task Fails #274
• Regression: NPE in Preprocessor.loadEventHandlers when trying to attach #305

* This Change Log was automatically generated by github_changelog_generator

Full Changelog

Fixed bugs:

• Using v1.3.10 fails with java.lang.VerifyError: StackMapTable error: bad offset #304

* This Change Log was automatically generated by github_changelog_generator

Full Changelog

Implemented enhancements:

• Allow exact type matching in signature checks #294
• Implement custom stackmap frame generation to avoid common supertype resoultions #293
• Pre-process and pre-verify BTrace probes during compilation #291
• Improve handling of the 'category' for embedded agent.properties #273

Fixed bugs:

• Bug: java.lang.VerifyError: Bad type on operand stack #283
• SYNC_ENTRY/EXIT instrumentor broken after #264 #269
• btrace doesn't execute OnExit event #266
• synchronized on method synExit never trigger! #264

Closed issues:

• Update JCTools to 2.1.1 #302
• Btrace failed in openjdk8 due to SecurityException #296
• Running JVM with BTrace agent and scripts should default 'noServer' to true #289
• Application running on jdk 1.7.0_79 crash when btrace attach #284
• NoClassDefFoundError of <TraceScript> in JBoss EAP7 #282
• Issue about buffer flushing. #281
• cannot get instance property #280
• traced method by annotation is not working well #278
• Got java.lang.IllegalArgumentException after starting the btrace #277
• java.lang.NoClassDefFoundError: sun/reflect/GeneratedMethodAccessor #275
• Missing information about time units for the duration reported by @Duration annotated parameter #265

Merged pull requests:

• fix sample JdbcQueries.java #272 (sel-fish)
• Fixes #264 #268 (yanfeipeng)

Change Log v1.3.9 (2017-01-11)

Full Changelog

Implemented enhancements:

• Add more substitutions for output file name templating #261
• Add support for configuration in 'agent.properties' #260
• Introduce convention for agent libs locations #259
• Make BTrace less scary by using 'trusted' mode instead of 'unsafe' #258
• BTrace causes JVM to crash on call tracing #240

Fixed bugs:

• Quantize throws java.lang.ArrayIndexOutOfBoundsException #253
• Specifying a method by annotation will not match in @OnMethod #249
• Problems tracing application server #231

Closed issues:

• Improve BTrace startup time #263
• Invoking methods on injected services is causing verification error #256
• How to print the local variable #255
• Tracing all object allocations #252
• fail to use btrace with 1.7.0_80 on mac #251
• Get Broken Pipe SocketException after exit brace. #250

* This Change Log was automatically generated by github_changelog_generator

Change Log v1.3.8.3

Full Changelog

Merged pull requests:

• Instrumentation performance #248 (jbachorik)

* This Change Log was automatically generated by github_changelog_generator

Change Log (v1.3.8.2)

Full Changelog

Fixed bugs:

• Unnecessary processing of methods not passing through instrumentation filter #245
• Application can hang on exit when using static BTrace agent #244
• BTrace agent connection not properly shut down when leaving the dynamically attached session #239

Closed issues:

• FAILURE: Build failed with an exception #242

Merged pull requests:

• Several micro-optimizations on the instrumentation critical path #246 (jbachorik)

* This Change Log was automatically generated by github_changelog_generator

Change Log (v1.3.8.1)

Full Changelog

Critical issue:

• Classes with multiple intersecting interfaces are confusing the stackmap frame generator #238

* This Change Log was automatically generated by github_changelog_generator

Change Log (v1.3.8)

Full Changelog

Implemented enhancements:

• Allow also augmenting the 'script' parameter from the agent.properties #235

Closed issues:

• NPE in logs when trying to run unsafe script without unsafe mode enabled #237
• Verifier does not allow simple 'return' from handler methods. #236
• java.lang.ArrayIndexOutOfBoundsException when connecting to JVM #234
• AllCalls1Sampled.java cause the target process to throw NullPointerException #228

Merged pull requests:

• Print toString() of all exceptions in the chain. #233 (draghuram)

* This Change Log was automatically generated by github_changelog_generator