Abacn opened a new issue, #30617:
URL: https://github.com/apache/beam/issues/30617
### What happened?
Found during 2.55.0RC1 release validation against Dataflow template
This used to work in Beam 2.54.0
```java
// Main.java
PipelineOptions options =
PipelineOptionsFactory.fromArgs(argv).withValidation().create();
```
```gradle
// Build.gradle
dependencies {
implementation(group: 'org.apache.beam', name:
'beam-sdks-java-io-google-cloud-platform', version: "$beam_version") {
exclude group: "org.hamcrest", module: "hamcrest"
}
implementation(group: 'org.apache.beam', name: 'beam-sdks-java-core',
version: "$beam_version") {
exclude group: "org.hamcrest", module: "hamcrest"
}
implementation(group: 'org.apache.beam', name:
'beam-runners-direct-java', version: "$beam_version") {
exclude group: "org.hamcrest", module: "hamcrest"
}
}
```
However, in Beam 2.55.0RC1, there is exception thrown:
```
Exception in thread "main" java.lang.NoClassDefFoundError:
org/hamcrest/Matcher
...
at
org.apache.beam.sdk.options.PipelineOptionsFactory.<clinit>(PipelineOptionsFactory.java:543)
at com.github.abacn.MinimumStreaming.main(MinimumStreaming.java:19)
Caused by: java.lang.ClassNotFoundException: org.hamcrest.Matcher
at java.net.URLClassLoader.findClass(URLClassLoader.java:387)
at java.lang.ClassLoader.loadClass(ClassLoader.java:419)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
at java.lang.ClassLoader.loadClass(ClassLoader.java:352)
... 34 more
```
The interface failed to create is TestBigQueryOptions which extends
TestPipelineOptions. In TestPipelineOptions, some methods return
org.hamcrest.Matcher:
https://github.com/apache/beam/blob/986f67fd92b27dee0c95c5965de98ba6f84a0143/sdks/java/core/src/main/java/org/apache/beam/sdk/testing/TestPipelineOptions.java#L45
It seems beam actually always requires org.hamcrest present in runtime class
path. Indeed, another minimum test fails on both 2.54.0 and 2.55.0:
```java
PipelineOptions options =
PipelineOptionsFactory.fromArgs(argv).withValidation().as(TestPipelineOptions.class);
```
```gradle
dependencies {
implementation(group: 'org.apache.beam', name: 'beam-sdks-java-core',
version: "$beam_version") {
exclude group: "org.hamcrest", module: "hamcrest"
}
implementation(group: 'org.apache.beam', name:
'beam-runners-direct-java', version: "$beam_version") {
exclude group: "org.hamcrest", module: "hamcrest"
}
}
```
### Issue Priority
Priority: 2 (default / most bugs should be filed as P2)
### Issue Components
- [ ] Component: Python SDK
- [ ] Component: Java SDK
- [ ] Component: Go SDK
- [ ] Component: Typescript SDK
- [ ] Component: IO connector
- [ ] Component: Beam YAML
- [ ] Component: Beam examples
- [ ] Component: Beam playground
- [ ] Component: Beam katas
- [ ] Component: Website
- [ ] Component: Spark Runner
- [ ] Component: Flink Runner
- [ ] Component: Samza Runner
- [ ] Component: Twister2 Runner
- [ ] Component: Hazelcast Jet Runner
- [ ] Component: Google Cloud Dataflow Runner
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