Release Notes¶

v3.1.1¶

[improvement] add getstatic
[bug] fix Arthas class loader logs loading issues
[improvement] introduce OGNL to customize classloader to invoke static methods
[improvement] optimise termd uppercase output performance
[improvement] classloader compile in class loader category by default
[bug] fix wc counting issue
[improvement] disable certain JDK classes e.g. Classloader, Method, Integer and the lik
[improvement] quit directly when encountering incorrect OGNL expression
[bug] fix pipe issues
[improvement] optimize command re-direct features using asynchronous log
[improvement] trace can filter JDK method calls

[improvement] tt investigating/recording level one to avoid too much performance overhead
[bug] fix Chinese characters can not be presented issue

[feature] as.sh support -h to print help info
[bug] [#121] fix leftover temp files causing Arthas cannot start issue
[bug] [#123] fix attach/shutdown repeatedly causing Arthas classloader leakage issue
[improvement] make the help info more readable
[bug] [#126] fix the documents links issues
[bug] [#122] fix the classloader filtering out sun.reflect.DelegatingClassLoader issue
[bug] [#129] fix classloader presenting structure issues
[improvement] [#125] make the Arthas log output more readable
[improvement] [#96] sc and more commands are supporting format as com/taobao/xxx/TestClass
[bug] [#124] fix the negative values of trace
[improvement] [#128] the output of tt will auto-expand now
[bug] [#130] providing more meaningful error messages when port conflicts
[bug] [#98] fix Arthas starting issue: when updating/downloading failed, Arthas will fail to start
[bug] [#139] fix agent attaching fails under some scenarios issues
[improvement] [#156] delay jd-core-java initialization to avoid Arthas starting failure
[bug] avoid thread names duplicate issue
[improvement] [#150] filtering by total time cost in trace
[bug] fix sc NPE issue when searching SystemClassloader
[bug] [#180] fix attach fails issues: attaching succeed at the first time, delete the Arthas installer, re-compile and package => attaching fails

[bug] fix NPE when loading spy as resource
[improvement] locating the blocking thread
[improvement] print out thread in name order
[improvement] specify the refreshing interval when checking topN busiest threads

[feature] specify refreshing interval and execution times in dashboard
[feature] log the command execution result
[feature] speed up the booting and attaching while the first attaching is even quicker by 100% than before
[feature] batch supported; script supported
[feature] interactive mode used in Arthas
[feature] inheritance relation included in class searching; global option disable-sub-class can be used to turn it off
[feature] colorful and plain text modes both supported
[improvement] merge exit and quit commands
[improvement] help info enclosed with wiki links
[improvement] optimize watch using flow for better UX
[improvement] add examples to thread
[improvement] auto-completion ignores character case
[improvement] make the UI more beautiful/friendly
[bug] fix trace printing too much encountering loop issues
[bug] fix trace node twisting issues when method throwing exceptions
[bug] fix injected/enhanced BootstrapClassLoader cannot locate spy issues

[feature] checking the topN thread and related stack traces
[bug] fix Arthas starting failure in OpenJdk issues (requiring to reinstall as.sh)
[improvement] optimize UX

[improvement] optimise jad; dump memory byte array in real time; using jd-core-java to decompile; line number presented;
[bug] fix checking/re-producing issues when tt is watching thread-context related methods invoking