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Posted to dev@bval.apache.org by "John Myers (JIRA)" <ji...@apache.org> on 2019/04/18 18:09:00 UTC
[jira] [Created] (BVAL-172) ConcurrentModificationException during
validation
John Myers created BVAL-172:
-------------------------------
Summary: ConcurrentModificationException during validation
Key: BVAL-172
URL: https://issues.apache.org/jira/browse/BVAL-172
Project: BVal
Issue Type: Bug
Affects Versions: 2.0.0, 2.x
Environment: Java 10.0.3
Reporter: John Myers
The following test case fails under Java 10.0.3:
{code:java}
@Test
public void testMultipleThreads()
throws ExecutionException, InterruptedException {
List<CompletableFuture<Boolean>> validationResultSuppliers = new ArrayList<>();
List<Exception> validationExceptions = new ArrayList<>();
IntStream.range(0,5).forEach(
i -> {
SampleEntityForValidation sampleRequestEntity = new SampleEntityForValidation("name-" + i, "description-" + i);
validationResultSuppliers.add(CompletableFuture.supplyAsync(() -> {
try {
return validator.validate(sampleRequestEntity)
.isEmpty();
} catch (Exception e) {
validationExceptions.add(e);
e.printStackTrace();
return false;
}
}));
}
);
CompletableFuture.allOf(validationResultSuppliers.toArray(new CompletableFuture[] {})).get();
assertEquals(0, validationExceptions.size());
}
public static class SampleEntityForValidation {
@NotNull(message = "is missing")
@Size(min = 3, message = "must be at least 3 characters long")
private String name;
@NotNull(message = "is missing")
@Size(max = 15, message = "can be at most 15 characters long")
private String description;
public SampleEntityForValidation (
String name,
String description
) {
this.name = name;
this.description = description;
}
}
{code}
throwing the following stack traces:
{noformat}
java.util.ConcurrentModificationException
at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1134)
at org.apache.bval.jsr.ConstraintCached.infos(ConstraintCached.java:133)
at org.apache.bval.jsr.ConstraintCached.getConstraintValidatorInfo(ConstraintCached.java:128)
at org.apache.bval.jsr.util.AnnotationsManager.supportedTargets(AnnotationsManager.java:406)
at org.apache.bval.jsr.util.AnnotationsManager.validateConstraintDefinition(AnnotationsManager.java:337)
at org.apache.bval.jsr.descriptor.MetadataReader$ForElement.lambda$getConstraints$1(MetadataReader.java:100)
at java.base/java.util.stream.ReferencePipeline$11$1.accept(ReferencePipeline.java:441)
at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948)
at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)
at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150)
at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173)
at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497)
at java.base/java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:274)
at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177)
at java.base/java.util.Collections$2.tryAdvance(Collections.java:4745)
at java.base/java.util.Collections$2.forEachRemaining(Collections.java:4753)
at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)
at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913)
at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578)
at org.apache.bval.jsr.descriptor.MetadataReader$ForElement.getConstraints(MetadataReader.java:103)
at org.apache.bval.jsr.descriptor.ElementD.<init>(ElementD.java:86)
at org.apache.bval.jsr.descriptor.ElementD$NonRoot.<init>(ElementD.java:46)
at org.apache.bval.jsr.descriptor.CascadableContainerD.<init>(CascadableContainerD.java:41)
at org.apache.bval.jsr.descriptor.PropertyD.<init>(PropertyD.java:92)
at org.apache.bval.jsr.descriptor.PropertyD$ForField.<init>(PropertyD.java:42)
at org.apache.bval.jsr.descriptor.MetadataReader$ForBean.lambda$getProperties$2(MetadataReader.java:149)
at java.base/java.util.HashMap.forEach(HashMap.java:1336)
at org.apache.bval.jsr.descriptor.MetadataReader$ForBean.getProperties(MetadataReader.java:147)
at org.apache.bval.jsr.descriptor.BeanD.<init>(BeanD.java:59)
at org.apache.bval.jsr.descriptor.DescriptorManager.getBeanDescriptor(DescriptorManager.java:81)
at org.apache.bval.jsr.job.ValidationJob.getBeanDescriptor(ValidationJob.java:586)
at org.apache.bval.jsr.job.ValidationJob.access$300(ValidationJob.java:81)
at org.apache.bval.jsr.job.ValidationJob$BeanFrame.<init>(ValidationJob.java:249)
at org.apache.bval.jsr.job.ValidationJob$BeanFrame.<init>(ValidationJob.java:245)
at org.apache.bval.jsr.job.ValidateBean.computeBaseFrame(ValidateBean.java:40)
at org.apache.bval.jsr.job.ValidationJob.getResults(ValidationJob.java:558)
at org.apache.bval.jsr.ValidatorImpl.validate(ValidatorImpl.java:53)
at org.apache.bval.jsr.ValidationTest.lambda$testMultipleThreads$0(ValidationTest.java:748)
at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1700)
at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.exec(CompletableFuture.java:1692)
at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:290)
at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1020)
at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1656)
at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1594)
at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)
{noformat}
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