[
https://issues.apache.org/jira/browse/GROOVY-12133?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18093862#comment-18093862
]
ASF GitHub Bot commented on GROOVY-12133:
-----------------------------------------
testlens-app[bot] commented on PR #2669:
URL: https://github.com/apache/groovy/pull/2669#issuecomment-4887026466
## 🚨 TestLens detected 1 failed test 🚨
Here is what you can do:
1) Inspect the test failures carefully.
2) If you are convinced that some of the tests are flaky, you can mute them
below.
3) Finally, trigger a rerun by checking the rerun checkbox.
### Test Summary
#### [Build and test / lts \(21,
ubuntu-latest\)](https://github.com/apache/groovy/actions/runs/28749165886/job/85245172749?pr=2669)
> :groovy-jmx:test
| Test | Runs |
|---|---|
| JmxTest > testTomcat\(\) | ❌ |
🏷️ Commit: c807c6edd448a0eb836f4dd83d6592fa6c5e712f
▶️ Tests: 21019 executed
🟡 Checks: 5/29 completed
### Test Failures
<details>
<summary><strong>JmxTest > testTomcat()</strong> (:groovy-jmx:test in <a
href="https://github.com/apache/groovy/actions/runs/28749165886/job/85245172749?pr=2669";>Build
and test / lts (21, ubuntu-latest)</a>)</summary>
```
org.codehaus.groovy.control.MultipleCompilationErrorsException: startup
failed:
TestScriptee76e6c620754dda853b13d3b22df94e.groovy: 13: unable to resolve
class org.jfree.chart.ChartFactory
@ line 13, column 20.
import org.jfree.chart.ChartFactory
^
TestScriptee76e6c620754dda853b13d3b22df94e.groovy: 14: unable to resolve
class org.jfree.data.category.DefaultCategoryDataset
@ line 14, column 20.
import org.jfree.data.category.DefaultCategoryDataset as
Dataset
^
TestScriptee76e6c620754dda853b13d3b22df94e.groovy: 15: unable to resolve
class org.jfree.chart.plot.PlotOrientation
@ line 15, column 20.
import org.jfree.chart.plot.PlotOrientation as Orientation
^
3 errors
at
org.codehaus.groovy.control.ErrorCollector.failIfErrors(ErrorCollector.java:333)
at
org.codehaus.groovy.control.CompilationUnit$ISourceUnitOperation.doPhaseOperation(CompilationUnit.java:989)
at
org.codehaus.groovy.control.CompilationUnit.processPhaseOperations(CompilationUnit.java:749)
at
org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:723)
at
groovy.lang.GroovyClassLoader.doParseClass(GroovyClassLoader.java:423)
at
groovy.lang.GroovyClassLoader.lambda$parseClass$3(GroovyClassLoader.java:364)
at
org.codehaus.groovy.runtime.memoize.ConcurrentCommonCache.getAndPut(ConcurrentCommonCache.java:143)
at groovy.lang.GroovyClassLoader.parseClass(GroovyClassLoader.java:364)
at groovy.lang.GroovyClassLoader.parseClass(GroovyClassLoader.java:348)
at groovy.lang.GroovyClassLoader.parseClass(GroovyClassLoader.java:308)
at
gls.CompilableTestSupport.shouldCompile(CompilableTestSupport.groovy:95)
at
java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at
org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:502)
at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:298)
at groovy.lang.MetaClassImpl.invokeStaticMethod(MetaClassImpl.java:1684)
at JmxTest.testTomcat(JmxTest.groovy:137)
```
</details>
### Muted Tests
> [!NOTE]
> Checks are currently running using the configuration below.
Select tests to mute in this pull request:
🔲 JmxTest > testTomcat\(\) <!
> Implement findBalanced utility to support Regex Balanced Groups
> ---------------------------------------------------------------
>
> Key: GROOVY-12133
> URL: https://issues.apache.org/jira/browse/GROOVY-12133
> Project: Groovy
> Issue Type: Improvement
> Reporter: Daniel Sun
> Priority: Major
> Fix For: 6.0.0-beta-1
>
>
> *Context*
> Java's native regex engine lacks C#-style balanced group support (pushdown
> automaton). This makes parsing infinitely nested structures (e.g., nested
> parentheses, HTML tags, or code blocks) notoriously difficult, often leading
> to ReDoS (Regular Expression Denial of Service) vulnerabilities if solved
> purely via regex.
> *Proposed Solution*
> Introduce a highly optimized {{findBalanced}} method. It should use a
> single-pass, stack-based scanner with dynamic subsumption (tail-absorption)
> to mimic C# balanced group behavior while guaranteeing O(N) performance.
> *Acceptance Criteria*
> * *Core Extraction:* Correctly extracts the balanced groups from deeply
> nested strings (e.g., {{(A + (B * C))}} extracts the entire block).
> * *Fault Tolerance:* Gracefully handles malformed/dangling boundaries
> (unmatched open or close tags) without polluting the stack or crashing.
> * *Ignore Options:* Supports an {{ignoreRegex}} configuration to safely
> bypass escaped boundaries or string literals (e.g., ignoring {{"{}"}} inside
> quotes).
> * *Edge Stripping:* Supports an {{includeEdges}} configuration to optionally
> strip the outer boundary tags from the result.
> * *Performance:* Must guarantee strict O(N) time complexity. No
> backtracking, recursion, or expensive sorting operations are allowed.
>
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