v1.3.8.3

Change Log v1.3.8.3

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Merged pull requests:

• Instrumentation performance #248 (jbachorik)

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v1.3.8.2

Change Log (v1.3.8.2)

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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)

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v1.3.8.1

Change Log (v1.3.8.1)

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Critical issue:

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

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v1.3.8

Change Log (v1.3.8)

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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)

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v1.3.7

Changelog (v1.3.7)

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Implemented enhancements:

• Improve statsd integration #225

Fixed bugs:

• 'btracec' emits incomplete diagnostic instances #223
• 'btracec' mistakenly marks a particular call as unsafe #222
• Reinject probe does not work #220

Pull Requests

• Fixing fileRollMaxRolls and fileRollMilliseconds #221

v1.3.6

Change Log

v1.3.6

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Implemented enhancements:

• Allow bundling agent default arguments in attached jar files #219
• Allow bundling probe descriptors #216

Fixed bugs:

• Javac compilation error messages are lost when using 'btracec' #215
• @TargetMethodOrField(fqn = true) not working with Kind.CALL + Where.AFTER #213

Closed issues:

• how can know which class load #218
• Usage of @self and @TargetInstance when probing static methods #212
• Cannot build with Gradle #210

Merged pull requests:

• Publish the binary snapshots on bintray #214 (jbachorik)

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v1.3.5

Change Log

v1.3.5

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Implemented enhancements:

• Allow bundling compiled scripts in a jar #209
• Identifying method scope with BTrace #202
• Add a convenience method to BTraceUtils to get a field value by its name #201
• Improve the class filtering process #200
• Allow to skip retransforming the initially loaded classes #198
• Needs for tracing return event for 'void' methods only #192
• Option to send output to a file #188
• Introduce a proper settings storage to enable running multiple scripts with different settings #187
• Improve the handling of an array instance in Kind.ARRAY_SET and Kind.ARRAY_GET #185
• Location Kind.INSTANCEOF and Kind.CHECKCAST should provide info about the desired type #184

Fixed bugs:

• java.lang.VerifyError: Bad return type (sometimes) #208
• Enable sharing the output for multiple scripts loaded by the same agent #207
• Shared methods don't work #189
• BTrace class transformer might not get unregistered #186

Closed issues:

• Allow specifying the output dir #206
• Do not create the output flusher thread if the interval is -1 #199
• Every TestCase occurs this error:java.lang.IllegalArgumentException! Crazy! #194
• Unable to create aggregations #193
• how to install btrace as a plugin in visualvm? #191
• AggregationFunction.QUANTIZE fails for values larger than Integer.MAX_VALUE #190

Merged pull requests:

• Improve the class transformation mechanism #211
• Add access modifiers to the reported method/field fqn values #205 (jbachorik)
• Anytype void return #204 (jbachorik)
• Allow specifying an output file (instead of the console) when runninng btrace client #203 (jbachorik)
• Improved shared methods #197 (jbachorik)

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v1.3.4

Change Log

1.3.4

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Implemented enhancements:

• Allow AnyType for arguments annotated by @return #176
• Instrumentation levels #170 (jbachorik)

Fixed bugs:

• @location(Kind.NEW) does not work with parameter annotated by @return #183
• MethodInvocationRecorder may provide incomplete data in highly concurrent environment #180
• RuntimeException while trying to printfield values #179
• Problems with @return parameter #174
• Location(kind = Kind.NEWARRAY) should support flexible "clazz" definition #173
• Submitting compiled trace script via 'btrace' may not work #164
• Inconsistent behavior when trying to probe return values from multiple methods #145

Closed issues:

• BTrace is crashing the applications that is attached with #177
• SIGSEGV in the main process #172
• how to run multiple btrace scripts for the same application. #171
• how to trace a application which is run by using a tcserver which runs tomcat inbuilt #169
• null pointer exception and illegalstateexception while tracing an application #168
• connection refused or well-known file is not secure #167
• unable to open socket file: target process not responding or hotspot vm not loaded #166
• default trace ouput file created by btracer command is not generating when used in linux terminal #165
• @onexit not handled properly after #154 #161
• Omitting the 'method' argument in @OnMethod counter-intuitively performs match against the handler method name #159
• Tracing all methods of all available classes can make BTrace crash #154
• @duration annotation refused for Kind.CALL #153
• @onerror requires full Throwable type in the handler method signature #152
• default trace ouput file created by btracer command is not generating when used in linux terminal #151
• tracing a *.jar files from command prompt #150
• Unable to open socket file: target process not responding or HotSpot VM not loaded #139

Merged pull requests:

• Using JCTools queues in performance critical code #178 (jbachorik)
• Btrace output beautified #147 (mfilser)

BTrace 1.3.3

Change Log

v1.3.3

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Closed issues:

• BTrace fails to forward the user defined classpath when attaching to the target application #142
• ClassFilter.isCandidate() can get corrupted by an unexpected exception #143

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BTrace 1.3.2

Change Log

v1.3.2

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Closed issues:

• BTrace fails to forward the user defined classpath when attaching to the target application #142
• Native method tracing breaks instrumentation for many Java core classes #140
• BTraceUtils.Profiling.printSnapshot in @onexit Method does not print any output #136

Merged pull requests:

• Run the client handling code asynchronously only when used from the GF3 Flashlight #137 (jbachorik)

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