Copilot commented on code in PR #12278: URL: https://github.com/apache/gluten/pull/12278#discussion_r3409028253
########## .github/workflows/delta_spark_ut.yml: ########## @@ -0,0 +1,584 @@ +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. +# The ASF licenses this file to You under the Apache License, Version 2.0 +# (the "License"); you may not use this file except in compliance with +# the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# Runs Delta Lake's `spark` sbt module unit tests against a Gluten Velox bundle +# that is built from the source in this repository. The pipeline: +# +# 1. Builds the Velox/Gluten native libraries (centos-7 + vcpkg, x86_64). +# 2. Builds the Gluten Java/Scala jars and assembles the +# `gluten-velox-bundle-spark<spark>_<scala>-linux_amd64-<version>.jar` +# fat jar for Spark 4.1 + Scala 2.13 + Java 17 with the Delta profile. +# 3. Clones delta-io/delta at the requested release tag (default `v4.2.0`), +# drops the bundle jar into `spark-unified/lib/` only (NOT `spark/lib/` +# -- see setup-delta.sh for the unmanagedJars scoping rationale), +# patches Delta's `DeltaSQLCommandTest` to register the Gluten plugin, +# and runs `sbt spark/test` sharded across the matrix. +# +# Limited to Velox + x86 to keep the matrix simple, per the pipeline's purpose +# of validating Gluten changes against the latest Delta release. + +name: Delta Spark UT (Gluten) + +on: + workflow_dispatch: + inputs: + delta_ref: + description: 'delta-io/delta git ref (tag/branch/SHA) to test against' + required: true + default: 'v4.2.0' + spark_version: + description: 'Delta `-DsparkVersion` value (must match the Gluten -P profile below)' + required: true + default: '4.1' + test_parallelism: + description: 'Forked test JVMs per shard (TEST_PARALLELISM_COUNT)' + required: true + default: '1' + update_baseline: + description: 'Seed/refresh the known-failures baseline instead of enforcing it' + type: boolean + required: false + default: false + fail_on_fixed: + description: 'Fail when a baseline test now passes (keeps the baseline honest)' + type: boolean + required: false + default: true + pull_request: + paths: + - '.github/workflows/delta_spark_ut.yml' + - '.github/workflows/util/delta-spark-ut/**' + - 'gluten-delta/**' + - 'backends-velox/src-delta40/**/DeltaSQLCommandTest.scala' + +env: + ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION: true + MVN_CMD: 'build/mvn -ntp' + CCACHE_DIR: "${{ github.workspace }}/.ccache" + # Gluten profile / bundle naming for the build-gluten-bundle and + # delta-spark-test jobs. Spark 4.1 + Scala 2.13 + JDK 17 matches Delta v4.2.0's + # default Spark version (4.1.0) from project/CrossSparkVersions.scala. + GLUTEN_SPARK_PROFILE: 'spark-4.1' + GLUTEN_SCALA_PROFILE: 'scala-2.13' + GLUTEN_JAVA_PROFILE: 'java-17' + GLUTEN_BUNDLE_SPARK_VERSION: '4.1' + GLUTEN_BUNDLE_SCALA_VERSION: '2.13' + # Default values used when the workflow is triggered by pull_request + # (where `inputs.*` is empty). Keep these in sync with the workflow_dispatch + # defaults above. + DELTA_REF_DEFAULT: 'v4.2.0' + DELTA_SPARK_VERSION_DEFAULT: '4.1' + DELTA_TEST_PARALLELISM_DEFAULT: '1' + # Default mode for pull_request runs (where inputs.* is empty): enforce the + # committed baseline and fail when a baseline test starts passing. Override + # via the workflow_dispatch inputs above. + DELTA_UPDATE_BASELINE_DEFAULT: 'false' + DELTA_FAIL_ON_FIXED_DEFAULT: 'true' + DELTA_SCALA_VERSION: '2.13.16' + # Number of shards in the delta-spark-test matrix. Must equal the length of + # the `shard` matrix below. + # + # Set to 16 (not 8): at 8-way, ~5 of the 8 shards consistently exceed the + # 300-min job timeout because Delta's generated merge/CDC/DV suites are very + # slow under Gluten (observed in run 16: shards 0,1,2,3,6 all hit the 300-min + # cap while 4,5,7 finished in <130 min). Delta's GreedyHashStrategy balances + # high-duration suites across shards by estimated duration, so doubling the + # shard count roughly halves per-shard wall time and lets every shard finish + # (and thus report its results) within the timeout. We keep + # TEST_PARALLELISM_COUNT=1 because each forked test JVM uses ~8G (6G heap + + # 2G off-heap) and >1 would OOM the runner. + DELTA_NUM_SHARDS: '16' + +concurrency: + group: ${{ github.repository }}-${{ github.head_ref || github.sha }}-${{ github.workflow }} + cancel-in-progress: true + +jobs: + build-native-lib-centos-7: + runs-on: ubuntu-22.04 + steps: + - uses: actions/checkout@v4 + - name: Get Ccache + uses: actions/cache/restore@v4 + with: + path: '${{ env.CCACHE_DIR }}' + key: ccache-delta-spark-ut-centos7-release-default-${{github.sha}} + restore-keys: | + ccache-delta-spark-ut-centos7-release-default + ccache-centos7-release-default + - name: Build Gluten native libraries + run: | + docker run -v $GITHUB_WORKSPACE:/work -w /work apache/gluten:vcpkg-centos-7-gcc13 bash -c " + set -e + yum install tzdata -y + df -a + cd /work + export CCACHE_DIR=/work/.ccache + export CCACHE_MAXSIZE=1G + mkdir -p /work/.ccache + ccache -sz + bash dev/ci-velox-buildstatic-centos-7.sh + ccache -s + mkdir -p /work/.m2/repository/org/apache/arrow/ + cp -r /root/.m2/repository/org/apache/arrow/* /work/.m2/repository/org/apache/arrow/ + " + - name: Save Ccache + if: always() + uses: actions/cache/save@v4 + with: + path: '${{ env.CCACHE_DIR }}' + key: ccache-delta-spark-ut-centos7-release-default-${{github.sha}} + - uses: actions/upload-artifact@v4 + with: + name: delta-spark-ut-native-lib-centos-7-${{github.sha}} + path: ./cpp/build/ + if-no-files-found: error + - uses: actions/upload-artifact@v4 + with: + name: delta-spark-ut-arrow-jars-centos-7-${{github.sha}} + path: .m2/repository/org/apache/arrow/ + if-no-files-found: error + + build-gluten-bundle: + needs: build-native-lib-centos-7 + runs-on: ubuntu-22.04 + container: apache/gluten:centos-9-jdk17 + steps: + - uses: actions/checkout@v4 + - name: Download native artifacts + uses: actions/download-artifact@v4 + with: + name: delta-spark-ut-native-lib-centos-7-${{github.sha}} + path: ./cpp/build/ + - name: Download Arrow jars + uses: actions/download-artifact@v4 + with: + name: delta-spark-ut-arrow-jars-centos-7-${{github.sha}} + path: /root/.m2/repository/org/apache/arrow/ + - name: Cache Maven repository + uses: actions/cache@v4 + with: + path: /root/.m2/repository + key: m2-delta-spark-ut-bundle-${{ env.GLUTEN_SPARK_PROFILE }}-${{ env.GLUTEN_SCALA_PROFILE }}-${{ hashFiles('pom.xml', '**/pom.xml') }} + restore-keys: | + m2-delta-spark-ut-bundle-${{ env.GLUTEN_SPARK_PROFILE }}-${{ env.GLUTEN_SCALA_PROFILE }}- + m2-delta-spark-ut-bundle- + - name: Build Gluten Velox + Delta bundle + run: | + set -euo pipefail + yum install -y java-17-openjdk-devel + export JAVA_HOME=/usr/lib/jvm/java-17-openjdk + export PATH=$JAVA_HOME/bin:$PATH + java -version + cd "$GITHUB_WORKSPACE" + # `install` (not `package`) so the gluten-delta artifact is in the local + # m2 repo before the `package/` shaded jar is built. `Dmaven.compiler.release=17` + # overrides any user settings.xml that may pin release=1.8 for Java 17 builds. + $MVN_CMD clean install \ + -P${{ env.GLUTEN_SPARK_PROFILE }} \ + -P${{ env.GLUTEN_SCALA_PROFILE }} \ + -P${{ env.GLUTEN_JAVA_PROFILE }} \ + -Pbackends-velox -Pdelta \ + -DskipTests -Dmaven.compiler.release=17 + - name: Stage bundle jar + run: | + set -euo pipefail + mkdir -p bundle-out + # Match the renamed fat jar produced by package/pom.xml's copy-fat-jar + # exec. The version part may bump (e.g. 1.7.0-SNAPSHOT -> 1.8.0-SNAPSHOT), + # so glob the version suffix. + jar=$(ls package/target/gluten-velox-bundle-spark${{ env.GLUTEN_BUNDLE_SPARK_VERSION }}_${{ env.GLUTEN_BUNDLE_SCALA_VERSION }}-linux_amd64-*.jar | head -n 1) + if [ -z "$jar" ] || [ ! -f "$jar" ]; then + echo "ERROR: Could not find Gluten bundle jar under package/target/" >&2 + ls -la package/target/ || true + exit 1 + fi Review Comment: `jar=$(ls ... | head -n 1)` will terminate the step immediately under `set -e` if the glob matches nothing (so the custom error message at lines 203–206 never runs). Use a non-failing globbing approach (e.g., `compgen -G ...`, `ls ... 2>/dev/null || true`, or `shopt -s nullglob` with an array) so missing jars produce the intended diagnostic and controlled exit. ########## .github/workflows/delta_spark_ut.yml: ########## @@ -0,0 +1,584 @@ +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. +# The ASF licenses this file to You under the Apache License, Version 2.0 +# (the "License"); you may not use this file except in compliance with +# the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# Runs Delta Lake's `spark` sbt module unit tests against a Gluten Velox bundle +# that is built from the source in this repository. The pipeline: +# +# 1. Builds the Velox/Gluten native libraries (centos-7 + vcpkg, x86_64). +# 2. Builds the Gluten Java/Scala jars and assembles the +# `gluten-velox-bundle-spark<spark>_<scala>-linux_amd64-<version>.jar` +# fat jar for Spark 4.1 + Scala 2.13 + Java 17 with the Delta profile. +# 3. Clones delta-io/delta at the requested release tag (default `v4.2.0`), +# drops the bundle jar into `spark-unified/lib/` only (NOT `spark/lib/` +# -- see setup-delta.sh for the unmanagedJars scoping rationale), +# patches Delta's `DeltaSQLCommandTest` to register the Gluten plugin, +# and runs `sbt spark/test` sharded across the matrix. +# +# Limited to Velox + x86 to keep the matrix simple, per the pipeline's purpose +# of validating Gluten changes against the latest Delta release. + +name: Delta Spark UT (Gluten) + +on: + workflow_dispatch: + inputs: + delta_ref: + description: 'delta-io/delta git ref (tag/branch/SHA) to test against' + required: true + default: 'v4.2.0' + spark_version: + description: 'Delta `-DsparkVersion` value (must match the Gluten -P profile below)' + required: true + default: '4.1' + test_parallelism: + description: 'Forked test JVMs per shard (TEST_PARALLELISM_COUNT)' + required: true + default: '1' + update_baseline: + description: 'Seed/refresh the known-failures baseline instead of enforcing it' + type: boolean + required: false + default: false + fail_on_fixed: + description: 'Fail when a baseline test now passes (keeps the baseline honest)' + type: boolean + required: false + default: true + pull_request: + paths: + - '.github/workflows/delta_spark_ut.yml' + - '.github/workflows/util/delta-spark-ut/**' + - 'gluten-delta/**' + - 'backends-velox/src-delta40/**/DeltaSQLCommandTest.scala' + +env: + ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION: true + MVN_CMD: 'build/mvn -ntp' Review Comment: Setting `ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION: true` weakens the workflow’s security posture by allowing deprecated/unsupported Node runtimes in actions. If this workflow doesn’t require legacy Node-based actions, remove this env var (or scope it narrowly to only the specific step/action that needs it) to avoid inadvertently permitting unsafe runtime usage. ########## .github/workflows/util/delta-spark-ut/record-crash.py: ########## @@ -0,0 +1,217 @@ +#!/usr/bin/env python3 +# +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. +# The ASF licenses this file to You under the Apache License, Version 2.0 +# (the "License"); you may not use this file except in compliance with +# the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""Identify and record the test suite that crashed the forked test JVM. + +Some Delta suites trigger a hard native crash (SIGSEGV) inside Gluten/Velox +(e.g. SubstraitVeloxExprConverter::toVeloxExpr on a nested-field reference). +A crash kills the whole forked test JVM, so the shard loses the crashing suite +*and every suite scheduled after it*. The shard runner re-runs `spark/test` +excluding everything that already produced a JUnit report; to make forward +progress past a crash we must also exclude the crashing suite, which means we +have to know which suite it was. + +This script, run after a crashing attempt, does that: + + 1. Reads the ScalaTest console log of the attempt and finds the LAST suite + that started (ScalaTest prints a `<SuiteName>:` header when a suite + begins). With TEST_PARALLELISM_COUNT=1 the suites run sequentially, so the + last header with no completion report is the suite that was running when + the JVM died -- i.e. the crasher. + 2. Maps that suite to its fully-qualified class name using the list of all + defined test (suite) names dumped from sbt, so it can be passed to + `Tests.Exclude`. + 3. Writes a synthetic JUnit report `TEST-<FQN>.xml` recording a single + `<JVM crash>` error, so the crash is captured in the known-failures + baseline (the gate reads it like any other failure) AND the suite now has + a report, which automatically excludes it from the next attempt. + 4. Rewrites the exclude file as the set of every suite that now has a report + (real completions + synthetic crashes), one FQN per line. + +Exit code 0 if a crasher was identified (caller should retry), 2 otherwise +(caller should stop retrying). + +Standard library only. +""" + +import argparse +import glob +import os +import re +import sys +from xml.sax.saxutils import escape, quoteattr + +CRASH_TEST_NAME = "<JVM crash>" + +# Strip a leading sbt log level prefix like "[info] " / "[error] ". +_LOG_PREFIX = re.compile(r"^\s*\[(?:info|error|warn|debug|success)\]\s?") +# A fully-qualified Java class name (used to harvest names from the +# `definedTestNames` dump, which may print them inside List(...)/quotes). +_FQN = re.compile(r"[A-Za-z_][\w]*(?:\.[A-Za-z_][\w]*)+") +# A whole line that is itself a fully-qualified suite header, e.g. +# "org.apache.spark.sql.delta.UpdateSQLSuite" or that with a trailing ":". +# Lets us recognise FQN-style ScalaTest headers even without the suite-list map. +_FQN_HEADER = re.compile(r"^((?:[a-z_][\w]*\.)+[A-Z][\w$]*):?$") + + +def eprint(*a, **k): + print(*a, file=sys.stderr, **k) + + +def fqn_to_simple(fqn): + return fqn.rsplit(".", 1)[-1] + + +def load_all_suites(path): + """Harvest suite FQNs from an sbt `show ... definedTestNames` dump.""" + suites = set() + if not path or not os.path.exists(path): + return suites + with open(path, "r", encoding="utf-8", errors="replace") as fh: + for line in fh: + for m in _FQN.findall(line): + # Heuristic: a test suite FQN has at least one package segment + # and a class-like final segment. Filter obvious noise (sbt + # task paths print things like 'spark / Test / definedTestNames'). + if "." in m and m[0].islower(): + suites.add(m) + return suites + + +def completed_fqns(reports_dir): + """FQNs that already have a JUnit report (real or synthetic crash).""" + done = set() + for xml in glob.glob(os.path.join(reports_dir, "**", "TEST-*.xml"), recursive=True): + base = os.path.basename(xml) + done.add(base[len("TEST-") : -len(".xml")]) + return done + + +def build_header_index(all_suites): + """Map every plausible console header string to its FQN(s).""" + index = {} + for fqn in all_suites: + simple = fqn_to_simple(fqn) + for key in (fqn, fqn + ":", simple, simple + ":"): + index.setdefault(key, set()).add(fqn) + return index Review Comment: Mapping `simple`/`simple:` headers to a *set* of FQNs can cause over-exclusion: if two suites share the same simple class name, a log header like `MySuite:` will match multiple FQNs, and the script may write multiple synthetic crash reports and exclude multiple suites even though only one JVM crashed. To avoid hiding coverage and excluding unrelated suites, treat ambiguous simple-name matches as “not identified” (exit 2) unless you can disambiguate (e.g., prefer `_FQN_HEADER` matches, or only accept a simple-name match when it maps to exactly one candidate after filtering by `done`). ########## .github/workflows/util/delta-spark-ut/compare-test-results.py: ########## @@ -0,0 +1,467 @@ +#!/usr/bin/env python3 +# +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. +# The ASF licenses this file to You under the Apache License, Version 2.0 +# (the "License"); you may not use this file except in compliance with +# the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""Gate / seed / aggregate the Delta-on-Gluten unit test results. + +Running delta-io/delta's ScalaTest suite against the Gluten Velox bundle +produces many *expected* failures (Gluten does not yet support every Delta +code path). To keep the red/green signal meaningful while we fix those +failures incrementally, we maintain a committed baseline of known failing +tests (``known-failures.txt``) and compare each CI run against it. + +This script has three modes: + +``enforce`` (default, per shard) + Parse the JUnit XML produced by ``sbt spark/test`` (ScalaTest ``-u`` + reporter) and compare against the baseline: + + * regression -- a test that FAILED but is NOT in the baseline. These + fail the build: a previously-passing test just started failing. + * expected -- a test that failed and IS in the baseline. Ignored. + * fixed -- a baseline test that now PASSES. By default these also + fail the build (``--fail-on-fixed true``) so the baseline stays honest + and contributors remove entries as they fix them. + + If the baseline is empty (not yet bootstrapped) the mode automatically + degrades to ``seed`` so the first run is never spuriously red. + +``seed`` (bootstrap / ``update_baseline``) + Never fails. Just writes the current shard's failing tests so the baseline + can be (re)generated from a real run. + +``aggregate`` (final job) + Merge every shard's ``--failures-out`` / ``--ran-out`` file into a single, + sorted, ready-to-commit ``known-failures.txt`` and report stale baseline + entries (tests no longer present in any shard). + +Baseline file format (``known-failures.txt``):: + + # comment lines start with '#' + <fully.qualified.SuiteName>#<test display name> + +The suite is always a JVM class name (dot-separated, never starts with '#'), +so a line whose first non-space character is '#' is unambiguously a comment, +and the FIRST '#' after the suite separates suite from the (possibly +'#'-containing) test name. + +Only the Python standard library is used so the script runs in the bare +centos image used by the Delta UT pipeline with no ``pip install``. +""" + +import argparse +import glob +import os +import sys +import xml.etree.ElementTree as ET + +# Synthetic "test name" recorded when a whole suite aborts (e.g. beforeAll +# throws) so that the JUnit XML reports a suite-level error with no per-test +# <testcase>. Without this, a suite that used to pass but now aborts entirely +# would record zero failing testcases and the regression would be missed. +SUITE_ABORTED = "<suite aborted>" + +SEP = "#" + + +def eprint(*args, **kwargs): + print(*args, file=sys.stderr, **kwargs) + + +# --------------------------------------------------------------------------- # +# Baseline (known-failures.txt) parsing / formatting +# --------------------------------------------------------------------------- # +def format_entry(suite, test): + return "{}{}{}".format(suite, SEP, test) + + +def parse_entry(line): + """Parse a 'suite#test' line into (suite, test) or return None for blanks/comments.""" + stripped = line.strip() + if not stripped or stripped.startswith("#"): + return None + idx = stripped.find(SEP) + if idx < 0: + # No separator: treat the whole line as a suite-level entry. + return (stripped, SUITE_ABORTED) + return (stripped[:idx], stripped[idx + len(SEP) :]) + + +def load_entries(path): + """Load a set of (suite, test) tuples from a baseline/shard-list file.""" + entries = set() + if not path or not os.path.exists(path): + return entries + with open(path, "r", encoding="utf-8") as fh: + for line in fh: + parsed = parse_entry(line) + if parsed is not None: + entries.add(parsed) + return entries + + +def write_entries(path, entries, header=None): + """Write a sorted set of (suite, test) tuples to a file.""" + os.makedirs(os.path.dirname(os.path.abspath(path)) or ".", exist_ok=True) + with open(path, "w", encoding="utf-8") as fh: + if header: + for hl in header.splitlines(): + fh.write(hl.rstrip() + "\n") + for suite, test in sorted(entries): + # Defensive: collapse any stray newlines so each entry stays on one line. + safe_test = test.replace("\r", " ").replace("\n", " ") + fh.write(format_entry(suite, safe_test) + "\n") + + +# --------------------------------------------------------------------------- # +# JUnit XML parsing +# --------------------------------------------------------------------------- # +def _iter_testsuites(root): + """Yield every <testsuite> element regardless of whether the file root is + <testsuites> (wrapper) or a single <testsuite>.""" + tag = root.tag.split("}")[-1] # strip any namespace + if tag == "testsuites": + for child in root: + if child.tag.split("}")[-1] == "testsuite": + yield child + elif tag == "testsuite": + yield root + + +def _child_local_tags(elem): + return {c.tag.split("}")[-1] for c in elem} + + +def parse_reports(reports_dir): + """Walk reports_dir for JUnit XML and classify every test. + + Returns (passed, failed, skipped) sets of (suite, test) tuples. A test is + 'failed' if its <testcase> has a <failure> or <error> child, 'skipped' if + it has a <skipped> child, otherwise 'passed'. Suite-level aborts (a + <testsuite> reporting errors/failures with no failing <testcase>) are + recorded as a synthetic (suite, SUITE_ABORTED) failure. + """ + passed, failed, skipped = set(), set(), set() + + xml_files = [] + # ScalaTest's -u reporter and Maven surefire both write `TEST-<suite>.xml` + # under a `target/.../*-reports/` dir. Restrict the secondary glob to + # `target/` so we never parse Delta's own XML *test resources* (which live + # under src/test/resources and are not reports). The <testsuite>-root guard + # below is a final safety net. + for pattern in ("**/TEST-*.xml", "**/target/**/*.xml"): + xml_files.extend(glob.glob(os.path.join(reports_dir, pattern), recursive=True)) + xml_files = sorted(set(xml_files)) Review Comment: `**/target/**/*.xml` can traverse and attempt to parse a very large number of non-report XML files in `target/` (dependency metadata, build intermediates, etc.), which is slow and can add noisy warnings even with the `<testsuite>` guard. Prefer restricting to known report locations/patterns (e.g., `**/target/test-reports/TEST-*.xml`, `**/target/surefire-reports/TEST-*.xml`, and/or `**/*-reports/TEST-*.xml`) to reduce filesystem scanning and XML parsing overhead. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. 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