spring cloud contract - Wiremock Bad <init> method call from inside of a branch Exception Details - spring-cloud-contract

Question

I have a producer which is:
springboot - 1.5.1.RELEASE
springcloudVersion = 'Camden.SR5'
Has classpath ("org.springframework.cloud:spring-cloud-contract-gradle-plugin:1.0.3.RELEASE")
testCompile('org.springframework.cloud:spring-cloud-starter-contract-verifier')
I can successfully run the build on producer and can see the generated contracts.
Now,
I have a consumer which is
springBootVersion = '2.0.1.RELEASE'
springCloudVersion = 'Finchley.RC1'
Has
testCompile("org.springframework.cloud:spring-cloud-starter-contract-stub-runner")
testCompile("org.springframework.cloud:spring-cloud-contract-verifier")
I have a simple contract test like this:
#Rule
public StubRunnerRule rule = new StubRunnerRule()
.downloadStub("groupid", "artifact")
.stubsMode(StubRunnerProperties.StubsMode.LOCAL);
#Test
public void testValidALPEndpoint() {
String output = runEndpointCheck("ac01");
assertEquals("test", output); }
#Test
public void testInvalidALPEndpoint() {
String output = runEndpointCheck("invalid");
assertNotEquals("invalid", output);
}
private String runEndpointCheck(String urlPath) {
URL url = this.rule.findStubUrl("groupid", "artifact"");
try (CloseableHttpClient httpclient = HttpClients.createDefault()) {
HttpGet httpGet = new HttpGet(url + "/" + urlPath);
CloseableHttpResponse response = httpclient.execute(httpGet);
return EntityUtils.toString(response.getEntity());
} catch (IOException e) {
throw new RuntimeException("HTTP client failed to open", e);
}
}
It is able to locate the stub jar from local m2 repo.
But then it error out with
org/springframework/cloud/contract/verifier/dsl/wiremock/DefaultResponseTransformer.<init>(ZLjava/lang/String;Lwiremock/com/github/jknack/handlebars/Helper;)V #108: invokespecial
Reason:
Error exists in the bytecode
Bytecode:
0x0000000: b800 133a 0406 bd00 4059 031b b800 4653
0x0000010: 5904 2c53 5905 2d53 5910 ff12 04b8 004a
0x0000020: 2a5f ab00 0000 00a4 0000 0004 9db7 bd78
0x0000030: 0000 002a 0013 85ff 0000 0050 15b4 0b91
0x0000040: 0000 0060 286f b7a6 0000 0088 5f5a 5903
0x0000050: 32b8 0050 5f59 0432 b800 56c0 0058 5f59
0x0000060: 0532 125a b800 28c0 005a 5f57 b700 5ca7
0x0000070: 0061 5f5a 5903 32b8 0050 5f57 b700 3ca7
0x0000080: 0051 5f5a 5903 32b8 0050 5f59 0432 125e
0x0000090: b800 28c0 005e 5f59 0532 1222 b800 28c0
0x00000a0: 0022 5f57 b700 61a7 0029 5f5a 5903 32b8
0x00000b0: 0050 5f59 0432 1222 b800 28c0 0022 5f57
0x00000c0: b700 2ba7 000d bb00 6359 1265 b700 68bf
0x00000d0: 572a b600 333a 0519 052a 5fb5 0035 1905
0x00000e0: 57b1
Stackmap Table:
full_frame(#76,{UninitializedThis,Integer,Object[#88],Object[#90],Object[#57]},{Object[#110],UninitializedThis})
full_frame(#114,{UninitializedThis,Integer,Object[#88],Object[#90],Object[#57]},{Object[#110],UninitializedThis})
full_frame(#130,{UninitializedThis,Integer,Object[#88],Object[#90],Object[#57]},{Object[#110],UninitializedThis})
full_frame(#170,{UninitializedThis,Integer,Object[#88],Object[#90],Object[#57]},{Object[#110],UninitializedThis})
full_frame(#198,{UninitializedThis,Integer,Object[#88],Object[#90],Object[#57]},{Object[#110],UninitializedThis})
full_frame(#208,{Object[#2],Integer,Object[#88],Object[#90],Object[#57]},{Object[#110]})
at org.springframework.cloud.contract.stubrunner.provider.wiremock.WireMockHttpServerStub.responseTransformers(WireMockHttpServerStub.java:65)
at org.springframework.cloud.contract.stubrunner.provider.wiremock.WireMockHttpServerStub.config(WireMockHttpServerStub.java:51)
at org.springframework.cloud.contract.stubrunner.provider.wiremock.WireMockHttpServerStub.start(WireMockHttpServerStub.java:107)
at org.springframework.cloud.contract.stubrunner.StubServer.start(StubServer.java:51)
at org.springframework.cloud.contract.stubrunner.StubRunnerExecutor$1.call(StubRunnerExecutor.java:260)
at org.springframework.cloud.contract.stubrunner.StubRunnerExecutor$1.call(StubRunnerExecutor.java:256)
at org.springframework.cloud.contract.stubrunner.AvailablePortScanner.executeLogicForAvailablePort(AvailablePortScanner.java:79)
at org.springframework.cloud.contract.stubrunner.AvailablePortScanner.tryToExecuteWithFreePort(AvailablePortScanner.java:63)
at org.springframework.cloud.contract.stubrunner.StubRunnerExecutor.startStubServers(StubRunnerExecutor.java:256)
at org.springframework.cloud.contract.stubrunner.StubRunnerExecutor.runStubs(StubRunnerExecutor.java:76)
at org.springframework.cloud.contract.stubrunner.StubRunner.runStubs(StubRunner.java:72)
at org.springframework.cloud.contract.stubrunner.BatchStubRunner.runStubs(BatchStubRunner.java:46)
at org.springframework.cloud.contract.stubrunner.junit.StubRunnerRule$1.before(StubRunnerRule.java:69)
at org.springframework.cloud.contract.stubrunner.junit.StubRunnerRule$1.evaluate(StubRunnerRule.java:62)
at org.junit.rules.RunRules.evaluate(RunRules.java:20)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)

Answer 1

You're using an ancient release train. Also most likely you have a mismatch of dependencies. Most likely there's a problem with WireMock versions. It would be best if you upgraded the release train versions and check again.

Answer 2

I suppose its a JAVA version issue. Had to add jvmargs -noverify to bootrun and tests for supressing it.
Works ok now.
Will keep looking for the compatible JDK version to fix this issue without involving -noverify