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Stack underflow error faced with jaxrs-analyzer v0.15 #151

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chaandhu opened this issue Mar 7, 2018 · 3 comments
Open

Stack underflow error faced with jaxrs-analyzer v0.15 #151

chaandhu opened this issue Mar 7, 2018 · 3 comments

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@chaandhu
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chaandhu commented Mar 7, 2018 •
edited by sdaschner

I am a Java developer and I downloaded v0.15 of your jaxrs-analyzer.jar and tried generating swagger documentation for my restful APIs developed using JAX-RS. I have java jdk 1.8 on my system and my Restful API has been compiled with jdk 1.8 as well.
I executed the jaxrs analyzer using the following command:-

java -jar jaxrs-analyzer.jar C:\Users\prashanth\others\workspa
ce\JaxRSProject\classes --renderSwaggerTags -o helloservice.swagger.json

However, it fails with a stack underflow error and the following stack trace. It would be great if u could let me know why this is so. I developed a sample API with 1 basic GET and POST method each and the analyzer works fine but when I run it against my entire set of classes I get the stack underflow error mentioned above with the following stack trace:-

Exception in thread “main” java.lang.IllegalStateException: Runtime stack under-flow occurred.
    at com.sebastian_daschner.jaxrs_analyzer.analysis.bytecode.reduction.StackSizeSimulator.buildStackSizes(StackSizeSimulator.java:53)
    at com.sebastian_daschner.jaxrs_analyzer.analysis.bytecode.reduction.RelevantInstructionReducer.reduceInstructions(RelevantInstructionReducer.java:55)
    at com.sebastian_daschner.jaxrs_analyzer.analysis.bytecode.MethodContentAnalyzer.interpretRelevantInstructions(MethodContentAnalyzer.java:59)
    at com.sebastian_daschner.jaxrs_analyzer.analysis.bytecode.MethodContentAnalyzer.addProjectMethods(MethodContentAnalyzer.java:110)
    at com.sebastian_daschner.jaxrs_analyzer.analysis.bytecode.MethodContentAnalyzer.addProjectMethods(MethodContentAnalyzer.java:112)
    at com.sebastian_daschner.jaxrs_analyzer.analysis.bytecode.MethodContentAnalyzer.findProjectMethods(MethodContentAnalyzer.java:88)
    at com.sebastian_daschner.jaxrs_analyzer.analysis.bytecode.ResourceMethodContentAnalyzer.analyze(ResourceMethodContentAnalyzer.java:57)
    at com.sebastian_daschner.jaxrs_analyzer.analysis.bytecode.BytecodeAnalyzer.analyzeBytecode(BytecodeAnalyzer.java:26)
    at java.lang.Iterable.forEach(Iterable.java:75)
    at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080)
    at com.sebastian_daschner.jaxrs_analyzer.analysis.bytecode.BytecodeAnalyzer.analyzeBytecode(BytecodeAnalyzer.java:18)
    at com.sebastian_daschner.jaxrs_analyzer.analysis.ProjectAnalyzer.analyze(ProjectAnalyzer.java:107)
    at com.sebastian_daschner.jaxrs_analyzer.JAXRSAnalyzer.analyze(JAXRSAnalyzer.java:69)
    at com.sebastian_daschner.jaxrs_analyzer.Main.main(Main.java:94)
@sdaschner
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Thanks for pointing this out. Do you have more information that you can share along with this error? Unfortunately, these types of errors require more information about the bytecode in order to be resolved... Some basic sample would be helpful

@125m125
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125m125 commented May 30, 2018

Hey,
I finally managed to create a minimal example, where this error occurs. It seems like a least one cause for this exception is performing += on an entry of an array:

package de._125m125.ktv2.servlets.apiv2;

import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.core.Response;

@Path("users/{user}/something")
public class TradeRestAPI {

    private final int[] intArray = new int[2];

    @POST
    public Response createSomething() {
        this.intArray[0] = this.intArray[0] + 1; // works
        this.intArray[0] += 1; // fails
        return Response.status(200).build();
    }

}

full output of maven build:

[INFO] Error stacktraces are turned on.
[INFO] Scanning for projects...
[INFO]                                                                         
[INFO] ------------------------------------------------------------------------
[INFO] Building ktv2 0.0.1
[INFO] ------------------------------------------------------------------------
[INFO] 
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ ktv2 ---
[INFO] Deleting /home/.../workspace/.../target
[INFO] 
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ ktv2 ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 1 resource
[INFO] 
[INFO] --- maven-compiler-plugin:3.2:compile (default-compile) @ ktv2 ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 1 source file to /home/.../workspace/.../target/classes
[INFO] 
[INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ ktv2 ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 3 resources
[INFO] 
[INFO] --- maven-compiler-plugin:3.2:testCompile (default-testCompile) @ ktv2 ---
[INFO] Nothing to compile - all classes are up to date
[INFO] 
[INFO] --- jaxrs-analyzer-maven-plugin:0.16:analyze-jaxrs (default) @ ktv2 ---
[INFO] analyzing JAX-RS resources, using Swagger backend
[INFO] Generating resources at /home/.../workspace/.../target/ktv2-0.0.1/static/documentation/jaxrs-analyzer/swagger.json
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 2.931 s
[INFO] Finished at: 2018-05-30T14:07:05+02:00
[INFO] Final Memory: 22M/169M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal com.sebastian-daschner:jaxrs-analyzer-maven-plugin:0.16:analyze-jaxrs (default) on project ktv2: Execution default of goal com.sebastian-daschner:jaxrs-analyzer-maven-plugin:0.16:analyze-jaxrs failed: Runtime stack under-flow occurred. -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal com.sebastian-daschner:jaxrs-analyzer-maven-plugin:0.16:analyze-jaxrs (default) on project ktv2: Execution default of goal com.sebastian-daschner:jaxrs-analyzer-maven-plugin:0.16:analyze-jaxrs failed: Runtime stack under-flow occurred.
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:212)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
	at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
	at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)
	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)
	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)
	at org.apache.maven.cli.MavenCli.execute(MavenCli.java:863)
	at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:288)
	at org.apache.maven.cli.MavenCli.main(MavenCli.java:199)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
	at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
	at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
Caused by: org.apache.maven.plugin.PluginExecutionException: Execution default of goal com.sebastian-daschner:jaxrs-analyzer-maven-plugin:0.16:analyze-jaxrs failed: Runtime stack under-flow occurred.
	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:145)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:207)
	... 20 more
Caused by: java.lang.IllegalStateException: Runtime stack under-flow occurred.
	at com.sebastian_daschner.jaxrs_analyzer.analysis.bytecode.reduction.StackSizeSimulator.buildStackSizes(StackSizeSimulator.java:53)
	at com.sebastian_daschner.jaxrs_analyzer.analysis.bytecode.reduction.RelevantInstructionReducer.reduceInstructions(RelevantInstructionReducer.java:55)
	at com.sebastian_daschner.jaxrs_analyzer.analysis.bytecode.MethodContentAnalyzer.interpretRelevantInstructions(MethodContentAnalyzer.java:59)
	at com.sebastian_daschner.jaxrs_analyzer.analysis.bytecode.ResourceMethodContentAnalyzer.analyze(ResourceMethodContentAnalyzer.java:54)
	at com.sebastian_daschner.jaxrs_analyzer.analysis.bytecode.BytecodeAnalyzer.analyzeBytecode(BytecodeAnalyzer.java:26)
	at java.lang.Iterable.forEach(Iterable.java:75)
	at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080)
	at com.sebastian_daschner.jaxrs_analyzer.analysis.bytecode.BytecodeAnalyzer.analyzeBytecode(BytecodeAnalyzer.java:18)
	at com.sebastian_daschner.jaxrs_analyzer.analysis.ProjectAnalyzer.analyze(ProjectAnalyzer.java:107)
	at com.sebastian_daschner.jaxrs_analyzer.JAXRSAnalyzer.analyze(JAXRSAnalyzer.java:69)
	at com.sebastian_daschner.jaxrs_analyzer.maven.JAXRSAnalyzerMojo.execute(JAXRSAnalyzerMojo.java:202)
	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)
	... 21 more
[ERROR] 
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/PluginExecutionException

configuration of jaxrs-analyzer in pom.xml:

<plugin>
				<groupId>com.sebastian-daschner</groupId>
				<artifactId>jaxrs-analyzer-maven-plugin</artifactId>
				<version>0.16</version>
				<executions>
					<execution>
						<goals>
							<goal>analyze-jaxrs</goal>
						</goals>
						<configuration>
							<backend>swagger</backend>
							<deployedDomain>...</deployedDomain>
							<swaggerSchemes>
								<swaggerScheme>https</swaggerScheme>
							</swaggerSchemes>
							<resourcesDir>${project.build.finalName}/static/documentation/jaxrs-analyzer</resourcesDir>
						</configuration>
					</execution>
				</executions>
			</plugin>

@cedric780
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Reproduced only once in my project, a mvn clean then mvn install fixed it.

Maybe adding more debug infos to the exception message could help understand the issue.

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@sdaschner @cedric780 @125m125 @chaandhu