Hello,

I am writing unit tests for my DAO class methods by keeping the mock data 
in a .txt file. The interesting part with Jooq is, it has a common error 
which does not really say what is going wrong with your mock data setup. 


Can someone help me understand how I can debug this issue in a better way? 
Moreover I wanted to see the clear error message due to which the tests are 
breaking.

Here is a sample error log.


18:12:50.170 [Test worker] DEBUG org.jooq.tools.LoggerListener - Executing 
query          : select 
`content_management`.`edu_course_content`.`course_id`, 
`content_management`.`edu_course_content`.`edu_custom_course_id`, 
`content_management`.`edu_course_content`.`edu_content_id` from 
`content_management`.`edu_course_content` where 
(`content_management`.`edu_course_content`.`edu_content_id` in (?, ?) and 
(`content_management`.`edu_course_content`.`course_id` = ? or 
`content_management`.`edu_course_content`.`edu_custom_course_id` = ?))
18:12:50.172 [Test worker] DEBUG org.jooq.tools.LoggerListener - -> with 
bind values      : select 
`content_management`.`edu_course_content`.`course_id`, 
`content_management`.`edu_course_content`.`edu_custom_course_id`, 
`content_management`.`edu_course_content`.`edu_content_id` from 
`content_management`.`edu_course_content` where 
(`content_management`.`edu_course_content`.`edu_content_id` in 
('a32ba478-90d9-4c7c-85e9-2899bddab41f', 
'a32ba478-90d9-4c7c-85e9-2899bddab42f') and 
(`content_management`.`edu_course_content`.`course_id` = 
'132ba478-90d9-4c7c-85e9-2899bddab41f' or 
`content_management`.`edu_course_content`.`edu_custom_course_id` = 
'132ba478-90d9-4c7c-85e9-2899bddab41f'))
18:12:50.197 [Test worker] DEBUG org.jooq.tools.LoggerListener - Exception  
              
org.jooq.exception.DataAccessException: SQL [select 
`content_management`.`edu_course_content`.`course_id`, 
`content_management`.`edu_course_content`.`edu_custom_course_id`, 
`content_management`.`edu_course_content`.`edu_content_id` from 
`content_management`.`edu_course_content` where 
(`content_management`.`edu_course_content`.`edu_content_id` in (?, ?) and 
(`content_management`.`edu_course_content`.`course_id` = ? or 
`content_management`.`edu_course_content`.`edu_custom_course_id` = ?))]; 
Invalid SQL: select `content_management`.`edu_course_content`.`course_id`, 
`content_management`.`edu_course_content`.`edu_custom_course_id`, 
`content_management`.`edu_course_content`.`edu_content_id` from 
`content_management`.`edu_course_content` where 
(`content_management`.`edu_course_content`.`edu_content_id` in (?, ?) and 
(`content_management`.`edu_course_content`.`course_id` = ? or 
`content_management`.`edu_course_content`.`edu_custom_course_id` = ?))
Possible reasons include: 
  Your regular expressions are case sensitive.
  Your regular expressions use constant literals (e.g. 'Hello'), but the 
above SQL string uses bind variable placeholders (e.g. ?).
  Your regular expressions did not quote special characters (e.g. \?).
  Your regular expressions' whitespace doesn't match the input SQL's 
whitespace.
at org.jooq_3.14.8.MYSQL.debug(Unknown Source)
at org.jooq.impl.Tools.translate(Tools.java:2903)
at 
org.jooq.impl.DefaultExecuteContext.sqlException(DefaultExecuteContext.java:757)
at org.jooq.impl.AbstractQuery.execute(AbstractQuery.java:389)
at org.jooq.impl.AbstractResultQuery.fetch(AbstractResultQuery.java:333)
at 
org.jooq.impl.AbstractResultQuery.fetchInto(AbstractResultQuery.java:1550)
at org.jooq.impl.SelectImpl.fetchInto(SelectImpl.java:3936)
at 
com.chegg.edu.content.mgmt.service.dao.EduCourseContentRepository.getCourseContentsByContentIds(EduCourseContentRepository.java:92)
at 
com.chegg.edu.content.mgmt.service.dao.EduCourseContentRepositoryTest.testGetCourseContentsByContentIds(EduCourseContentRepositoryTest.java:98)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native 
Method)
at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at 
org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:688)
at 
org.junit.jupiter.engine.execution.MethodInvocation.proceed(MethodInvocation.java:60)
at 
org.junit.jupiter.engine.execution.InvocationInterceptorChain$ValidatingInvocation.proceed(InvocationInterceptorChain.java:131)
at 
org.junit.jupiter.engine.extension.TimeoutExtension.intercept(TimeoutExtension.java:149)
at 
org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestableMethod(TimeoutExtension.java:140)
at 
org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestMethod(TimeoutExtension.java:84)
at 
org.junit.jupiter.engine.execution.ExecutableInvoker$ReflectiveInterceptorCall.lambda$ofVoidMethod$0(ExecutableInvoker.java:115)
at 
org.junit.jupiter.engine.execution.ExecutableInvoker.lambda$invoke$0(ExecutableInvoker.java:105)
at 
org.junit.jupiter.engine.execution.InvocationInterceptorChain$InterceptedInvocation.proceed(InvocationInterceptorChain.java:106)
at 
org.junit.jupiter.engine.execution.InvocationInterceptorChain.proceed(InvocationInterceptorChain.java:64)
at 
org.junit.jupiter.engine.execution.InvocationInterceptorChain.chainAndInvoke(InvocationInterceptorChain.java:45)
at 
org.junit.jupiter.engine.execution.InvocationInterceptorChain.invoke(InvocationInterceptorChain.java:37)
at 
org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:104)
at 
org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:98)
at 
org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$invokeTestMethod$6(TestMethodTestDescriptor.java:210)
at 
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at 
org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.invokeTestMethod(TestMethodTestDescriptor.java:206)
at 
org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:131)
at 
org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:65)
at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$5(NodeTestTask.java:139)
at 
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$7(NodeTestTask.java:129)
at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)
at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:127)
at 
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:126)
at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:84)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1540)
at 
org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:38)
at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$5(NodeTestTask.java:143)
at 
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$7(NodeTestTask.java:129)
at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)
at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:127)
at 
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:126)
at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:84)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1540)
at 
org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:38)
at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$5(NodeTestTask.java:143)
at 
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$7(NodeTestTask.java:129)
at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)
at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:127)
at 
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:126)
at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:84)
at 
org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:32)
at 
org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57)
at 
org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:51)
at 
org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248)
at 
org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211)
at 
org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226)
at 
org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199)
at 
org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132)
at 
org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor$CollectAllTestClassesExecutor.processAllTestClasses(JUnitPlatformTestClassProcessor.java:99)
at 
org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor$CollectAllTestClassesExecutor.access$000(JUnitPlatformTestClassProcessor.java:79)
at 
org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor.stop(JUnitPlatformTestClassProcessor.java:75)
at 
org.gradle.api.internal.tasks.testing.SuiteTestClassProcessor.stop(SuiteTestClassProcessor.java:61)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native 
Method)
at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at 
org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:36)
at 
org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
at 
org.gradle.internal.dispatch.ContextClassLoaderDispatch.dispatch(ContextClassLoaderDispatch.java:33)
at 
org.gradle.internal.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:94)
at com.sun.proxy.$Proxy5.stop(Unknown Source)
at 
org.gradle.api.internal.tasks.testing.worker.TestWorker.stop(TestWorker.java:133)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native 
Method)
at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at 
org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:36)
at 
org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
at 
org.gradle.internal.remote.internal.hub.MessageHubBackedObjectConnection$DispatchWrapper.dispatch(MessageHubBackedObjectConnection.java:182)
at 
org.gradle.internal.remote.internal.hub.MessageHubBackedObjectConnection$DispatchWrapper.dispatch(MessageHubBackedObjectConnection.java:164)
at 
org.gradle.internal.remote.internal.hub.MessageHub$Handler.run(MessageHub.java:414)
at 
org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:64)
at 
org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:48)
at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at 
org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:56)
at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: java.sql.SQLException: Invalid SQL: select 
`content_management`.`edu_course_content`.`course_id`, 
`content_management`.`edu_course_content`.`edu_custom_course_id`, 
`content_management`.`edu_course_content`.`edu_content_id` from 
`content_management`.`edu_course_content` where 
(`content_management`.`edu_course_content`.`edu_content_id` in (?, ?) and 
(`content_management`.`edu_course_content`.`course_id` = ? or 
`content_management`.`edu_course_content`.`edu_custom_course_id` = ?))
Possible reasons include: 
  Your regular expressions are case sensitive.
  Your regular expressions use constant literals (e.g. 'Hello'), but the 
above SQL string uses bind variable placeholders (e.g. ?).
  Your regular expressions did not quote special characters (e.g. \?).
  Your regular expressions' whitespace doesn't match the input SQL's 
whitespace.
at org.jooq.tools.jdbc.MockFileDatabase.execute(MockFileDatabase.java:396)
at org.jooq.tools.jdbc.MockStatement.execute0(MockStatement.java:192)
at org.jooq.tools.jdbc.MockStatement.execute(MockStatement.java:273)
at org.jooq.tools.jdbc.MockStatement.execute(MockStatement.java:268)
at 
org.jooq.tools.jdbc.DefaultPreparedStatement.execute(DefaultPreparedStatement.java:214)
at org.jooq.impl.Tools.executeStatementAndGetFirstResultSet(Tools.java:4201)
at org.jooq.impl.AbstractResultQuery.execute(AbstractResultQuery.java:279)
at org.jooq.impl.AbstractQuery.execute(AbstractQuery.java:375)
... 93 common frames omitted

SQL [select `content_management`.`edu_course_content`.`course_id`, 
`content_management`.`edu_course_content`.`edu_custom_course_id`, 
`content_management`.`edu_course_content`.`edu_content_id` from 
`content_management`.`edu_course_content` where 
(`content_management`.`edu_course_content`.`edu_content_id` in (?, ?) and 
(`content_management`.`edu_course_content`.`course_id` = ? or 
`content_management`.`edu_course_content`.`edu_custom_course_id` = ?))]; 
Invalid SQL: select `content_management`.`edu_course_content`.`course_id`, 
`content_management`.`edu_course_content`.`edu_custom_course_id`, 
`content_management`.`edu_course_content`.`edu_content_id` from 
`content_management`.`edu_course_content` where 
(`content_management`.`edu_course_content`.`edu_content_id` in (?, ?) and 
(`content_management`.`edu_course_content`.`course_id` = ? or 
`content_management`.`edu_course_content`.`edu_custom_course_id` = ?))
Possible reasons include: 
  Your regular expressions are case sensitive.
  Your regular expressions use constant literals (e.g. 'Hello'), but the 
above SQL string uses bind variable placeholders (e.g. ?).
  Your regular expressions did not quote special characters (e.g. \?).
  Your regular expressions' whitespace doesn't match the input SQL's 
whitespace.
org.jooq.exception.DataAccessException: SQL [select 
`content_management`.`edu_course_content`.`course_id`, 
`content_management`.`edu_course_content`.`edu_custom_course_id`, 
`content_management`.`edu_course_content`.`edu_content_id` from 
`content_management`.`edu_course_content` where 
(`content_management`.`edu_course_content`.`edu_content_id` in (?, ?) and 
(`content_management`.`edu_course_content`.`course_id` = ? or 
`content_management`.`edu_course_content`.`edu_custom_course_id` = ?))]; 
Invalid SQL: select `content_management`.`edu_course_content`.`course_id`, 
`content_management`.`edu_course_content`.`edu_custom_course_id`, 
`content_management`.`edu_course_content`.`edu_content_id` from 
`content_management`.`edu_course_content` where 
(`content_management`.`edu_course_content`.`edu_content_id` in (?, ?) and 
(`content_management`.`edu_course_content`.`course_id` = ? or 
`content_management`.`edu_course_content`.`edu_custom_course_id` = ?))
Possible reasons include: 
  Your regular expressions are case sensitive.
  Your regular expressions use constant literals (e.g. 'Hello'), but the 
above SQL string uses bind variable placeholders (e.g. ?).
  Your regular expressions did not quote special characters (e.g. \?).
  Your regular expressions' whitespace doesn't match the input SQL's 
whitespace.
at org.jooq_3.14.8.MYSQL.debug(Unknown Source)
at org.jooq.impl.Tools.translate(Tools.java:2903)
at 
org.jooq.impl.DefaultExecuteContext.sqlException(DefaultExecuteContext.java:757)
at org.jooq.impl.AbstractQuery.execute(AbstractQuery.java:389)
at org.jooq.impl.AbstractResultQuery.fetch(AbstractResultQuery.java:333)
at 
org.jooq.impl.AbstractResultQuery.fetchInto(AbstractResultQuery.java:1550)
at org.jooq.impl.SelectImpl.fetchInto(SelectImpl.java:3936)
at 
com.chegg.edu.content.mgmt.service.dao.EduCourseContentRepository.getCourseContentsByContentIds(EduCourseContentRepository.java:92)
at 
com.chegg.edu.content.mgmt.service.dao.EduCourseContentRepositoryTest.testGetCourseContentsByContentIds(EduCourseContentRepositoryTest.java:98)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native 
Method)
at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at 
org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:688)
at 
org.junit.jupiter.engine.execution.MethodInvocation.proceed(MethodInvocation.java:60)
at 
org.junit.jupiter.engine.execution.InvocationInterceptorChain$ValidatingInvocation.proceed(InvocationInterceptorChain.java:131)
at 
org.junit.jupiter.engine.extension.TimeoutExtension.intercept(TimeoutExtension.java:149)
at 
org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestableMethod(TimeoutExtension.java:140)
at 
org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestMethod(TimeoutExtension.java:84)
at 
org.junit.jupiter.engine.execution.ExecutableInvoker$ReflectiveInterceptorCall.lambda$ofVoidMethod$0(ExecutableInvoker.java:115)
at 
org.junit.jupiter.engine.execution.ExecutableInvoker.lambda$invoke$0(ExecutableInvoker.java:105)
at 
org.junit.jupiter.engine.execution.InvocationInterceptorChain$InterceptedInvocation.proceed(InvocationInterceptorChain.java:106)
at 
org.junit.jupiter.engine.execution.InvocationInterceptorChain.proceed(InvocationInterceptorChain.java:64)
at 
org.junit.jupiter.engine.execution.InvocationInterceptorChain.chainAndInvoke(InvocationInterceptorChain.java:45)
at 
org.junit.jupiter.engine.execution.InvocationInterceptorChain.invoke(InvocationInterceptorChain.java:37)
at 
org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:104)
at 
org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:98)
at 
org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$invokeTestMethod$6(TestMethodTestDescriptor.java:210)
at 
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at 
org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.invokeTestMethod(TestMethodTestDescriptor.java:206)
at 
org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:131)
at 
org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:65)
at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$5(NodeTestTask.java:139)
at 
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$7(NodeTestTask.java:129)
at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)
at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:127)
at 
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:126)
at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:84)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1540)
at 
org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:38)
at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$5(NodeTestTask.java:143)
at 
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$7(NodeTestTask.java:129)
at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)
at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:127)
at 
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:126)
at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:84)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1540)
at 
org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:38)
at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$5(NodeTestTask.java:143)
at 
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$7(NodeTestTask.java:129)
at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)
at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:127)
at 
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:126)
at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:84)
at 
org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:32)
at 
org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57)
at 
org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:51)
at 
org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248)
at 
org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211)
at 
org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226)
at 
org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199)
at 
org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132)
at 
org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor$CollectAllTestClassesExecutor.processAllTestClasses(JUnitPlatformTestClassProcessor.java:99)
at 
org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor$CollectAllTestClassesExecutor.access$000(JUnitPlatformTestClassProcessor.java:79)
at 
org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor.stop(JUnitPlatformTestClassProcessor.java:75)
at 
org.gradle.api.internal.tasks.testing.SuiteTestClassProcessor.stop(SuiteTestClassProcessor.java:61)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native 
Method)
at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at 
org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:36)
at 
org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
at 
org.gradle.internal.dispatch.ContextClassLoaderDispatch.dispatch(ContextClassLoaderDispatch.java:33)
at 
org.gradle.internal.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:94)
at com.sun.proxy.$Proxy5.stop(Unknown Source)
at 
org.gradle.api.internal.tasks.testing.worker.TestWorker.stop(TestWorker.java:133)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native 
Method)
at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at 
org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:36)
at 
org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
at 
org.gradle.internal.remote.internal.hub.MessageHubBackedObjectConnection$DispatchWrapper.dispatch(MessageHubBackedObjectConnection.java:182)
at 
org.gradle.internal.remote.internal.hub.MessageHubBackedObjectConnection$DispatchWrapper.dispatch(MessageHubBackedObjectConnection.java:164)
at 
org.gradle.internal.remote.internal.hub.MessageHub$Handler.run(MessageHub.java:414)
at 
org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:64)
at 
org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:48)
at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at 
org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:56)
at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: java.sql.SQLException: Invalid SQL: select 
`content_management`.`edu_course_content`.`course_id`, 
`content_management`.`edu_course_content`.`edu_custom_course_id`, 
`content_management`.`edu_course_content`.`edu_content_id` from 
`content_management`.`edu_course_content` where 
(`content_management`.`edu_course_content`.`edu_content_id` in (?, ?) and 
(`content_management`.`edu_course_content`.`course_id` = ? or 
`content_management`.`edu_course_content`.`edu_custom_course_id` = ?))
Possible reasons include: 
  Your regular expressions are case sensitive.
  Your regular expressions use constant literals (e.g. 'Hello'), but the 
above SQL string uses bind variable placeholders (e.g. ?).
  Your regular expressions did not quote special characters (e.g. \?).
  Your regular expressions' whitespace doesn't match the input SQL's 
whitespace.
at org.jooq.tools.jdbc.MockFileDatabase.execute(MockFileDatabase.java:396)
at org.jooq.tools.jdbc.MockStatement.execute0(MockStatement.java:192)
at org.jooq.tools.jdbc.MockStatement.execute(MockStatement.java:273)
at org.jooq.tools.jdbc.MockStatement.execute(MockStatement.java:268)
at 
org.jooq.tools.jdbc.DefaultPreparedStatement.execute(DefaultPreparedStatement.java:214)
at org.jooq.impl.Tools.executeStatementAndGetFirstResultSet(Tools.java:4201)
at org.jooq.impl.AbstractResultQuery.execute(AbstractResultQuery.java:279)
at org.jooq.impl.AbstractQuery.execute(AbstractQuery.java:375)
... 93 more


EduCourseContentRepositoryTest > testGetCourseContentsByContentIds() FAILED
    org.jooq.exception.DataAccessException: SQL [select 
`content_management`.`edu_course_content`.`course_id`, 
`content_management`.`edu_course_content`.`edu_custom_course_id`, 
`content_management`.`edu_course_content`.`edu_content_id` from 
`content_management`.`edu_course_content` where 
(`content_management`.`edu_course_content`.`edu_content_id` in (?, ?) and 
(`content_management`.`edu_course_content`.`course_id` = ? or 
`content_management`.`edu_course_content`.`edu_custom_course_id` = ?))]; 
Invalid SQL: select `content_management`.`edu_course_content`.`course_id`, 
`content_management`.`edu_course_content`.`edu_custom_course_id`, 
`content_management`.`edu_course_content`.`edu_content_id` from 
`content_management`.`edu_course_content` where 
(`content_management`.`edu_course_content`.`edu_content_id` in (?, ?) and 
(`content_management`.`edu_course_content`.`course_id` = ? or 
`content_management`.`edu_course_content`.`edu_custom_course_id` = ?))
    Possible reasons include: 
      Your regular expressions are case sensitive.
      Your regular expressions use constant literals (e.g. 'Hello'), but 
the above SQL string uses bind variable placeholders (e.g. ?).
      Your regular expressions did not quote special characters (e.g. \?).
      Your regular expressions' whitespace doesn't match the input SQL's 
whitespace.
        at org.jooq_3.14.8.MYSQL.debug(Unknown Source)
        at org.jooq.impl.Tools.translate(Tools.java:2903)
        at 
org.jooq.impl.DefaultExecuteContext.sqlException(DefaultExecuteContext.java:757)
        at org.jooq.impl.AbstractQuery.execute(AbstractQuery.java:389)
        at 
org.jooq.impl.AbstractResultQuery.fetch(AbstractResultQuery.java:333)
        at 
org.jooq.impl.AbstractResultQuery.fetchInto(AbstractResultQuery.java:1550)
        at org.jooq.impl.SelectImpl.fetchInto(SelectImpl.java:3936)
        at 
com.chegg.edu.content.mgmt.service.dao.EduCourseContentRepository.getCourseContentsByContentIds(EduCourseContentRepository.java:92)
        at 
com.chegg.edu.content.mgmt.service.dao.EduCourseContentRepositoryTest.testGetCourseContentsByContentIds(EduCourseContentRepositoryTest.java:98)
        Caused by:
        java.sql.SQLException: Invalid SQL: select 
`content_management`.`edu_course_content`.`course_id`, 
`content_management`.`edu_course_content`.`edu_custom_course_id`, 
`content_management`.`edu_course_content`.`edu_content_id` from 
`content_management`.`edu_course_content` where 
(`content_management`.`edu_course_content`.`edu_content_id` in (?, ?) and 
(`content_management`.`edu_course_content`.`course_id` = ? or 
`content_management`.`edu_course_content`.`edu_custom_course_id` = ?))
        Possible reasons include: 
          Your regular expressions are case sensitive.
          Your regular expressions use constant literals (e.g. 'Hello'), 
but the above SQL string uses bind variable placeholders (e.g. ?).
          Your regular expressions did not quote special characters (e.g. 
\?).
          Your regular expressions' whitespace doesn't match the input 
SQL's whitespace.
            at 
org.jooq.tools.jdbc.MockFileDatabase.execute(MockFileDatabase.java:396)
            at 
org.jooq.tools.jdbc.MockStatement.execute0(MockStatement.java:192)
            at 
org.jooq.tools.jdbc.MockStatement.execute(MockStatement.java:273)
            at 
org.jooq.tools.jdbc.MockStatement.execute(MockStatement.java:268)
            at 
org.jooq.tools.jdbc.DefaultPreparedStatement.execute(DefaultPreparedStatement.java:214)
            at 
org.jooq.impl.Tools.executeStatementAndGetFirstResultSet(Tools.java:4201)
            at 
org.jooq.impl.AbstractResultQuery.execute(AbstractResultQuery.java:279)
            at org.jooq.impl.AbstractQuery.execute(AbstractQuery.java:375)
            ... 5 more
--------------------------------------------------------------------
|  Results: FAILURE (1 tests, 0 successes, 1 failures, 0 skipped)  |
--------------------------------------------------------------------

Thanks,
Deba

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