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feat: add --debug global option to print exception logs#98

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vpa1977 merged 1 commit intocanonical:mainfrom
vpa1977:suppress_exceptions
Mar 20, 2026
Merged

feat: add --debug global option to print exception logs#98
vpa1977 merged 1 commit intocanonical:mainfrom
vpa1977:suppress_exceptions

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@vpa1977 vpa1977 commented Mar 20, 2026 •
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This addresses #89

Set SpringApplication log level to OFF by default.
Set SpringApplication log level to DEBUG when --debug setting is present as the first argument.
Update exception handler to print stacktraces when debug is enabled.

Testing;

$ java -jar build/libs/devpack-for-spring-cli-0.12.2.jar foo
No command found for 'foo'  Use 'devpack-for-spring help' to get help.

$ ava -jar build/libs/devpack-for-spring-cli-0.12.2.jar --debug foo
No command found for 'foo'  Use 'devpack-for-spring help' to get help.
2026-03-20 16:32:53.503 [main] ERROR o.s.boot.SpringApplication - Application run failed
org.springframework.shell.CommandNotFound: No command found for 'foo'
        at org.springframework.shell.Shell.evaluate(Shell.java:207)
        at org.springframework.shell.Shell.run(Shell.java:159)
        at org.springframework.shell.jline.NonInteractiveShellRunner.run(NonInteractiveShellRunner.java:144)
        at org.springframework.shell.DefaultShellApplicationRunner.run(DefaultShellApplicationRunner.java:66)
        at org.springframework.boot.SpringApplication.lambda$callRunner$4(SpringApplication.java:784)
        at org.springframework.util.function.ThrowingConsumer$1.acceptWithException(ThrowingConsumer.java:82)
        at org.springframework.util.function.ThrowingConsumer.accept(ThrowingConsumer.java:60)
        at org.springframework.util.function.ThrowingConsumer$1.accept(ThrowingConsumer.java:86)
        at org.springframework.boot.SpringApplication.callRunner(SpringApplication.java:796)
        at org.springframework.boot.SpringApplication.callRunner(SpringApplication.java:784)
        at org.springframework.boot.SpringApplication.lambda$callRunners$3(SpringApplication.java:772)
        at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184)
        at java.base/java.util.stream.SortedOps$SizedRefSortingSink.end(SortedOps.java:357)
        at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:510)
        at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499)
        at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151)
        at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174)
        at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
        at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596)
        at org.springframework.boot.SpringApplication.callRunners(SpringApplication.java:772)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:325)
        at org.springframework.cli.DevpackForSpringCliApplication.main(DevpackForSpringCliApplication.java:60)
        at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
        at java.base/java.lang.reflect.Method.invoke(Method.java:580)
        at org.springframework.boot.loader.launch.Launcher.launch(Launcher.java:106)
        at org.springframework.boot.loader.launch.Launcher.launch(Launcher.java:64)
        at org.springframework.boot.loader.launch.JarLauncher.main(JarLauncher.java:40)
org.springframework.shell.CommandNotFound: No command found for 'foo'
        at org.springframework.shell.Shell.evaluate(Shell.java:207)
        at org.springframework.shell.Shell.run(Shell.java:159)
        at org.springframework.shell.jline.NonInteractiveShellRunner.run(NonInteractiveShellRunner.java:144)
        at org.springframework.shell.DefaultShellApplicationRunner.run(DefaultShellApplicationRunner.java:66)
        at org.springframework.boot.SpringApplication.lambda$callRunner$4(SpringApplication.java:784)
        at org.springframework.util.function.ThrowingConsumer$1.acceptWithException(ThrowingConsumer.java:82)
        at org.springframework.util.function.ThrowingConsumer.accept(ThrowingConsumer.java:60)
        at org.springframework.util.function.ThrowingConsumer$1.accept(ThrowingConsumer.java:86)
        at org.springframework.boot.SpringApplication.callRunner(SpringApplication.java:796)
        at org.springframework.boot.SpringApplication.callRunner(SpringApplication.java:784)
        at org.springframework.boot.SpringApplication.lambda$callRunners$3(SpringApplication.java:772)
        at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184)
        at java.base/java.util.stream.SortedOps$SizedRefSortingSink.end(SortedOps.java:357)
        at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:510)
        at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499)
        at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151)
        at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174)
        at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
        at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596)
        at org.springframework.boot.SpringApplication.callRunners(SpringApplication.java:772)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:325)
        at org.springframework.cli.DevpackForSpringCliApplication.main(DevpackForSpringCliApplication.java:60)
        at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
        at java.base/java.lang.reflect.Method.invoke(Method.java:580)
        at org.springframework.boot.loader.launch.Launcher.launch(Launcher.java:106)
        at org.springframework.boot.loader.launch.Launcher.launch(Launcher.java:64)
        at org.springframework.boot.loader.launch.JarLauncher.main(JarLauncher.java:40)

Exception in command:

java -jar build/libs/devpack-for-spring-cli-0.12.2.jar --debug setup
2026-03-20 16:31:48.815 [main] ERROR o.s.boot.SpringApplication - Application run failed
org.springframework.shell.boot.ExitCodeAutoConfiguration$ShellExitCodeException
        at org.springframework.shell.boot.ExitCodeAutoConfiguration.lambda$exitCodeExceptionProvider$0(ExitCodeAutoConfiguration.java:55)
        at org.springframework.shell.Shell.run(Shell.java:179)
        at org.springframework.shell.jline.NonInteractiveShellRunner.run(NonInteractiveShellRunner.java:144)
        at org.springframework.shell.DefaultShellApplicationRunner.run(DefaultShellApplicationRunner.java:66)
        at org.springframework.boot.SpringApplication.lambda$callRunner$4(SpringApplication.java:784)
        at org.springframework.util.function.ThrowingConsumer$1.acceptWithException(ThrowingConsumer.java:82)
        at org.springframework.util.function.ThrowingConsumer.accept(ThrowingConsumer.java:60)
        at org.springframework.util.function.ThrowingConsumer$1.accept(ThrowingConsumer.java:86)
        at org.springframework.boot.SpringApplication.callRunner(SpringApplication.java:796)
        at org.springframework.boot.SpringApplication.callRunner(SpringApplication.java:784)
        at org.springframework.boot.SpringApplication.lambda$callRunners$3(SpringApplication.java:772)
        at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184)
        at java.base/java.util.stream.SortedOps$SizedRefSortingSink.end(SortedOps.java:357)
        at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:510)
        at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499)
        at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151)
        at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174)
        at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
        at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596)
        at org.springframework.boot.SpringApplication.callRunners(SpringApplication.java:772)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:325)
        at org.springframework.cli.DevpackForSpringCliApplication.main(DevpackForSpringCliApplication.java:60)
        at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
        at java.base/java.lang.reflect.Method.invoke(Method.java:580)
        at org.springframework.boot.loader.launch.Launcher.launch(Launcher.java:106)
        at org.springframework.boot.loader.launch.Launcher.launch(Launcher.java:64)
        at org.springframework.boot.loader.launch.JarLauncher.main(JarLauncher.java:40)
java.lang.NullPointerException: Cannot invoke "String.length()" because "foo" is null
        at org.springframework.cli.command.SetupCommands.setup(SetupCommands.java:66)
        at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
        at java.base/java.lang.reflect.Method.invoke(Method.java:580)
        at org.springframework.shell.command.invocation.InvocableShellMethod.doInvoke(InvocableShellMethod.java:306)
        at org.springframework.shell.command.invocation.InvocableShellMethod.invoke(InvocableShellMethod.java:232)
        at org.springframework.shell.command.CommandExecution$DefaultCommandExecution.evaluate(CommandExecution.java:230)
        at org.springframework.shell.Shell.evaluate(Shell.java:248)
        at org.springframework.shell.Shell.run(Shell.java:159)
        at org.springframework.shell.jline.NonInteractiveShellRunner.run(NonInteractiveShellRunner.java:144)
        at org.springframework.shell.DefaultShellApplicationRunner.run(DefaultShellApplicationRunner.java:66)
        at org.springframework.boot.SpringApplication.lambda$callRunner$4(SpringApplication.java:784)
        at org.springframework.util.function.ThrowingConsumer$1.acceptWithException(ThrowingConsumer.java:82)
        at org.springframework.util.function.ThrowingConsumer.accept(ThrowingConsumer.java:60)
        at org.springframework.util.function.ThrowingConsumer$1.accept(ThrowingConsumer.java:86)
        at org.springframework.boot.SpringApplication.callRunner(SpringApplication.java:796)
        at org.springframework.boot.SpringApplication.callRunner(SpringApplication.java:784)
        at org.springframework.boot.SpringApplication.lambda$callRunners$3(SpringApplication.java:772)
        at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184)
        at java.base/java.util.stream.SortedOps$SizedRefSortingSink.end(SortedOps.java:357)
        at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:510)
        at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499)
        at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151)
        at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174)
        at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
        at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596)
        at org.springframework.boot.SpringApplication.callRunners(SpringApplication.java:772)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:325)
        at org.springframework.cli.DevpackForSpringCliApplication.main(DevpackForSpringCliApplication.java:60)
        at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
        at java.base/java.lang.reflect.Method.invoke(Method.java:580)
        at org.springframework.boot.loader.launch.Launcher.launch(Launcher.java:106)
        at org.springframework.boot.loader.launch.Launcher.launch(Launcher.java:64)
        at org.springframework.boot.loader.launch.JarLauncher.main(JarLauncher.java:40)
org.springframework.shell.boot.ExitCodeAutoConfiguration$ShellExitCodeException
        at org.springframework.shell.boot.ExitCodeAutoConfiguration.lambda$exitCodeExceptionProvider$0(ExitCodeAutoConfiguration.java:55)
        at org.springframework.shell.Shell.run(Shell.java:179)
        at org.springframework.shell.jline.NonInteractiveShellRunner.run(NonInteractiveShellRunner.java:144)
        at org.springframework.shell.DefaultShellApplicationRunner.run(DefaultShellApplicationRunner.java:66)
        at org.springframework.boot.SpringApplication.lambda$callRunner$4(SpringApplication.java:784)
        at org.springframework.util.function.ThrowingConsumer$1.acceptWithException(ThrowingConsumer.java:82)
        at org.springframework.util.function.ThrowingConsumer.accept(ThrowingConsumer.java:60)
        at org.springframework.util.function.ThrowingConsumer$1.accept(ThrowingConsumer.java:86)
        at org.springframework.boot.SpringApplication.callRunner(SpringApplication.java:796)
        at org.springframework.boot.SpringApplication.callRunner(SpringApplication.java:784)
        at org.springframework.boot.SpringApplication.lambda$callRunners$3(SpringApplication.java:772)
        at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184)
        at java.base/java.util.stream.SortedOps$SizedRefSortingSink.end(SortedOps.java:357)
        at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:510)
        at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499)
        at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151)
        at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174)
        at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
        at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596)
        at org.springframework.boot.SpringApplication.callRunners(SpringApplication.java:772)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:325)
        at org.springframework.cli.DevpackForSpringCliApplication.main(DevpackForSpringCliApplication.java:60)
        at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
        at java.base/java.lang.reflect.Method.invoke(Method.java:580)
        at org.springframework.boot.loader.launch.Launcher.launch(Launcher.java:106)
        at org.springframework.boot.loader.launch.Launcher.launch(Launcher.java:64)
        at org.springframework.boot.loader.launch.JarLauncher.main(JarLauncher.java:40)

$ java -jar build/libs/devpack-for-spring-cli-0.12.2.jar setup
Cannot invoke "String.length()" because "foo" is null

@vpa1977
fix: suppress extensive exception logs
56bbd99 
Set SpringApplication log level to OFF by default.
Set SpringApplication log level to DEBUG when --debug setting is present in the arguments.
@vpa1977 vpa1977 changed the title fix: suppress extensive exception logs feat: add --debug global option to print exception logs Mar 20, 2026
@vpa1977 vpa1977 requested a review from pushkarnk March 20, 2026 03:34
@vpa1977 vpa1977 force-pushed the suppress_exceptions branch from 3bed451 to 56bbd99 Compare March 20, 2026 03:41
@vpa1977 vpa1977 merged commit 6d14708 into canonical:main Mar 20, 2026
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@pushkarnk pushkarnk pushkarnk approved these changes

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@vpa1977 @pushkarnk