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https://issues.apache.org/jira/browse/DRILL-7393?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16985204#comment-16985204
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ASF GitHub Bot commented on DRILL-7393:
---------------------------------------
paul-rogers commented on pull request #1910: DRILL-7393: Revisit Drill tests to
ensure that patching is executed b…
URL: https://github.com/apache/drill/pull/1910#discussion_r352250720
##########
File path: common/src/main/java/org/apache/drill/common/util/GuavaPatcher.java
##########
@@ -24,154 +24,157 @@
import java.util.stream.Collectors;
import java.util.stream.IntStream;
-import javassist.CannotCompileException;
import javassist.ClassPool;
import javassist.CtClass;
import javassist.CtConstructor;
import javassist.CtMethod;
import javassist.CtNewMethod;
-import javassist.NotFoundException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class GuavaPatcher {
private static final Logger logger =
LoggerFactory.getLogger(GuavaPatcher.class);
- private static boolean patched;
+ private static boolean patchingAttempted;
Review comment:
Maven runs tests concurrently in the same JVM. Does this flag need
synchronization?
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> Revisit Drill tests to ensure that patching is executed before any test run
> ---------------------------------------------------------------------------
>
> Key: DRILL-7393
> URL: https://issues.apache.org/jira/browse/DRILL-7393
> Project: Apache Drill
> Issue Type: Task
> Affects Versions: 1.16.0, 1.17.0
> Reporter: Arina Ielchiieva
> Assignee: Anton Gozhiy
> Priority: Major
> Labels: ready-to-commit
>
> Apache Drill patches some Protobuf and Guava classes (see GuavaPatcher,
> ProtobufPatcher), patching should be done before classes to be patched are
> loaded. That's why this operation is executed in static block in Drillbit
> class.
> Some tests in java-exec module use Drillbit class, some extend DrillTest
> class, both of them patch Guava. But there are some tests that do not call
> patcher but load classes to be patched. For example,
> {{org.apache.drill.exec.sql.TestSqlBracketlessSyntax}} loads Guava
> Preconditions class. If such tests run before tests that require patching,
> tests run will fail since patching won't be successful. Patchers code does
> not fail application if patching was not complete, just logs warning
> ({{logger.warn("Unable to patch Guava classes.", e);}}), so sometimes it hard
> to identify unit tests failure root cause.
> We need to revisit all Drill tests to ensure that all of them extend common
> test base class which patchers Protobuf and Guava classes in static block.
> Also refactor Patcher classes to have assert to fail if patching fails during
> unit testing if there are any problems.
> After all tests are revised, we can remove {{metastore-test}} execution from
> main.xml in {{maven-surefire-plugin}} which was added to ensure that all
> Metastore tests run in a separate JVM where patching is done in first place
> since Iceberg Metastore heavily depends on patched Guava Preconditions class.
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