[java-spanner-jdbc] Flaky Test: ITSingleJarTest

Open

#13,670 opened on Jul 6, 2026 1 comment 0 reactions 1 assignee View on GitHub

Maintainers usually reply within 1 day

@olavloite is already working on this.

Since Jul 7, 2026.

Assessment

This issue has not been assessed yet.

Description

22:11:21:994 [ERROR] com.google.cloud.spanner.jdbc.it.ITSingleJarTest.testUseShadedJar -- Time elapsed: 116.9 s <<< FAILURE!
java.lang.AssertionError: 
Exception in thread "main" java.sql.SQLException: No suitable driver found for jdbc:cloudspanner:/projects/gcloud-devel/instances/spanner-testing-east1/databases/testdb_226905634_0006
	at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:702)
	at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:251)
	at com.google.cloud.spanner.jdbc.SingleJarTestApplication.main(SingleJarTestApplication.java:43)
 expected:<0> but was:<1>
	at org.junit.Assert.fail(Assert.java:89)
	at org.junit.Assert.failNotEquals(Assert.java:835)
	at org.junit.Assert.assertEquals(Assert.java:647)
	at com.google.cloud.spanner.jdbc.it.ITSingleJarTest.execute(ITSingleJarTest.java:124)
	at com.google.cloud.spanner.jdbc.it.ITSingleJarTest.runTestApplication(ITSingleJarTest.java:91)
	at com.google.cloud.spanner.jdbc.it.ITSingleJarTest.testUseShadedJar(ITSingleJarTest.java:73)
	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.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
	at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
	at org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
	at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
	at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
	at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:54)
	at org.junit.rules.RunRules.evaluate(RunRules.java:20)
	at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
	at org.junit.runners.Suite.runChild(Suite.java:128)
	at org.junit.runners.Suite.runChild(Suite.java:27)
	at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
	at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
	at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
	at org.apache.maven.surefire.junitcore.JUnitCore.run(JUnitCore.java:49)
	at org.apache.maven.surefire.junitcore.JUnitCoreWrapper.createRequestAndRun(JUnitCoreWrapper.java:120)
	at org.apache.maven.surefire.junitcore.JUnitCoreWrapper.executeLazy(JUnitCoreWrapper.java:105)
	at org.apache.maven.surefire.junitcore.JUnitCoreWrapper.execute(JUnitCoreWrapper.java:77)
	at org.apache.maven.surefire.junitcore.JUnitCoreWrapper.execute(JUnitCoreWrapper.java:69)
	at org.apache.maven.surefire.junitcore.JUnitCoreProvider.invoke(JUnitCoreProvider.java:146)
	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:385)
	at org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:162)
	at org.apache.maven.surefire.booter.ForkedBooter.run(ForkedBooter.java:507)
	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:495)

22:11:22:001 [ERROR] com.google.cloud.spanner.jdbc.it.ITSingleJarTest.testUseSingleJar -- Time elapsed: 30.26 s <<< FAILURE!
java.lang.AssertionError: 
Exception in thread "main" java.sql.SQLException: No suitable driver found for jdbc:cloudspanner:/projects/gcloud-devel/instances/spanner-testing-east1/databases/testdb_226905634_0006
	at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:702)
	at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:251)
	at com.google.cloud.spanner.jdbc.SingleJarTestApplication.main(SingleJarTestApplication.java:43)
 expected:<0> but was:<1>
	at org.junit.Assert.fail(Assert.java:89)
	at org.junit.Assert.failNotEquals(Assert.java:835)
	at org.junit.Assert.assertEquals(Assert.java:647)
	at com.google.cloud.spanner.jdbc.it.ITSingleJarTest.execute(ITSingleJarTest.java:124)
	at com.google.cloud.spanner.jdbc.it.ITSingleJarTest.runTestApplication(ITSingleJarTest.java:91)
	at com.google.cloud.spanner.jdbc.it.ITSingleJarTest.testUseSingleJar(ITSingleJarTest.java:66)
	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.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
	at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
	at org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
	at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
	at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
	at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:54)
	at org.junit.rules.RunRules.evaluate(RunRules.java:20)
	at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
	at org.junit.runners.Suite.runChild(Suite.java:128)
	at org.junit.runners.Suite.runChild(Suite.java:27)
	at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
	at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
	at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
	at org.apache.maven.surefire.junitcore.JUnitCore.run(JUnitCore.java:49)
	at org.apache.maven.surefire.junitcore.JUnitCoreWrapper.createRequestAndRun(JUnitCoreWrapper.java:120)
	at org.apache.maven.surefire.junitcore.JUnitCoreWrapper.executeLazy(JUnitCoreWrapper.java:105)
	at org.apache.maven.surefire.junitcore.JUnitCoreWrapper.execute(JUnitCoreWrapper.java:77)
	at org.apache.maven.surefire.junitcore.JUnitCoreWrapper.execute(JUnitCoreWrapper.java:69)
	at org.apache.maven.surefire.junitcore.JUnitCoreProvider.invoke(JUnitCoreProvider.java:146)
	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:385)
	at org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:162)
	at org.apache.maven.surefire.booter.ForkedBooter.run(ForkedBooter.java:507)
	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:495)

22:11:50:046 [WARNING] Tests run: 12, Failures: 0, Errors: 0, Skipped: 1, Time elapsed: 246.1 s -- in com.google.cloud.spanner.jdbc.it.ITJdbcSimpleStatementsTest
22:13:41:835 [INFO] Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 190.2 s -- in com.google.cloud.spanner.jdbc.it.ITJdbcReadOnlyTest
22:15:38:558 [INFO] Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 654.9 s -- in com.google.cloud.spanner.jdbc.it.ITOpenTelemetryTest
22:15:38:955 [INFO] 
22:15:38:955 [INFO] Results:
22:15:38:955 [INFO] 
22:15:38:955 [ERROR] Failures: 
22:15:38:955 [ERROR]   ITSingleJarTest.testUseShadedJar:73->runTestApplication:91->execute:124 Exception in thread "main" java.sql.SQLException: No suitable driver found for jdbc:cloudspanner:/projects/gcloud-devel/instances/spanner-testing-east1/databases/testdb_226905634_0006
	at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:702)
	at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:251)
	at com.google.cloud.spanner.jdbc.SingleJarTestApplication.main(SingleJarTestApplication.java:43)
 expected:<0> but was:<1>
22:15:38:956 [ERROR]   ITSingleJarTest.testUseSingleJar:66->runTestApplication:91->execute:124 Exception in thread "main" java.sql.SQLException: No suitable driver found for jdbc:cloudspanner:/projects/gcloud-devel/instances/spanner-testing-east1/databases/testdb_226905634_0006
	at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:702)
	at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:251)
	at com.google.cloud.spanner.jdbc.SingleJarTestApplication.main(SingleJarTestApplication.java:43)
 expected:<0> but was:<1>

Dominant language: Java
Stars: 2.1k
Forks: 1.2k
Avg merge: 2d 14h
Merged PRs (30d): 192

Getting set up

No Dockerfile or Docker Compose file
No pull request template
Read the contributing guide

First steps

Read the whole issue, then the project's contributing guide.
Comment on the issue to say you are picking it up — it saves two people doing the same work.
Fork the repository and make your change on a branch.
Open a pull request that references the issue number.

More from googleapis/google-cloud-java

[java-core] Timestamp.of(java.sql.Timestamp) is one second late for a time less than a second before the epoch
Possibly taken @Vcode2407 claimed this 4 days ago. Open
- Is something wrong?
Difficulty 2/5 1-3 hours Newbie friendliness 78/100

googleapis/google-cloud-java#14636 · Opened Oct 11, 2026

Maintainers usually reply within 1 day
[java-firestore] UserDataConverter encodes a pre-epoch Date with negative nanos, so the write is refused
Possibly taken @wu-hui claimed this 23 days ago. Open
- Is something wrong?
priority: p2 type: bug

Difficulty 2/5 1-3 hours Newbie friendliness 75/100

googleapis/google-cloud-java#14635 · 1 assignee · Opened Oct 11, 2026

Maintainers usually reply within 1 day
[java-firestore] UserDataConverter throws IndexOutOfBoundsException on an empty __binary__ value
Possibly taken @wu-hui claimed this 23 days ago. Open
- Is something wrong?
priority: p2 type: bug

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

googleapis/google-cloud-java#14634 · 1 comment · 1 assignee · Opened Oct 11, 2026

Maintainers usually reply within 1 day
[java-firestore] CustomClassMapper.convertBigDecimal calls .abs() on Double, unintentionally flipping negative values to positive
May be free again @wu-hui claimed this 45 days ago, and no pull request is open. Open
- Is something wrong?
Difficulty 2/5 1-3 hours Newbie friendliness 85/100

googleapis/google-cloud-java#14533 · 1 assignee · Opened Sep 28, 2026

Maintainers usually reply within 1 day
Github CI failing when trying to install xmllint
Possibly taken @blakeli0 claimed this 81 days ago. Open
- Is something wrong?
Difficulty 2/5 1-3 hours Newbie friendliness 65/100

googleapis/google-cloud-java#14132 · 1 comment · Opened Aug 19, 2026

Maintainers usually reply within 1 day

All issues in googleapis/google-cloud-java

Similar issues

Broken links in the Welcome section
Open
- Is something wrong?
Difficulty 1/5 Under an hour Newbie friendliness 88/100

testng-team/testng-team.github.io#87 · Opened Nov 14, 2026
Error Prone is never detected in Maven builds: the regex in jvm/analysis.py contains literal backspace bytes where \b was meant
Open
- Is something wrong?
Difficulty 2/5 Under an hour Newbie friendliness 84/100

cpp-best-practices/project_validator#251 · Opened Nov 14, 2026

Maintainers usually reply within 1 day
Rate limiting: token bucket with unit tests
Open
- Is something wrong?
backend enhancement

Difficulty 2/5 Half a day Newbie friendliness 70/100

damodharg6/payledger#16 · Opened Nov 14, 2026
[Bug]: An initiative list with no current entry logs an error on every change
Possibly taken @dwizard0 claimed this today. Open
- Is something wrong?
Difficulty 2/5 1-3 hours Newbie friendliness 75/100

RPTools/maptool#6251 · Opened Nov 14, 2026

Maintainers usually reply within 1 day
ReCounters.java returns a counter without retries from create()
Open
- Is something wrong?
Difficulty 1/5 Under an hour Newbie friendliness 85/100

sttc/java-sdk#149 · Opened Nov 14, 2026

Maintainers usually reply within 1 day

More Java issues

[java-spanner-jdbc] Flaky Test: ITSingleJarTest

Is something wrong?

Assessment

Description

Getting set up

First steps

More from googleapis/google-cloud-java

Is something wrong?

Is something wrong?

Is something wrong?

Is something wrong?

Is something wrong?

Similar issues

Is something wrong?

Is something wrong?

Is something wrong?

Is something wrong?

Is something wrong?

Get new issues in your inbox