Surefire threadCount sample

JUnitTest.java

package test;

import org.junit.Test;

public class JUnitTest {

    @Test
    public void testJ1() {}
}

output.txt

[INFO] Scanning for projects...
[INFO]                                                                         
[INFO] ------------------------------------------------------------------------
[INFO] Building threadCount 1.0-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO] 
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ threadCount ---
[WARNING] Using platform encoding (UTF-8 actually) to copy filtered resources, i.e. build is platform dependent!
[INFO] Copying 0 resource
[INFO] 
[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ threadCount ---
[INFO] Nothing to compile - all classes are up to date
[INFO] 
[INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ threadCount ---
[WARNING] Using platform encoding (UTF-8 actually) to copy filtered resources, i.e. build is platform dependent!
[INFO] skip non existing resourceDirectory /home/juherr/Projects/threadCount/src/test/resources
[INFO] 
[INFO] --- maven-compiler-plugin:3.1:testCompile (default-testCompile) @ threadCount ---
[INFO] Nothing to compile - all classes are up to date
[INFO] 
[INFO] --- maven-surefire-plugin:2.18.1:test (default-test) @ threadCount ---
[INFO] Surefire report directory: /home/juherr/Projects/threadCount/target/surefire-reports
[INFO] Using configured provider org.apache.maven.surefire.junitcore.JUnitCoreProvider
[INFO] Using configured provider org.apache.maven.surefire.testng.TestNGProvider
[INFO] parallel='none', perCoreThreadCount=true, threadCount=0, useUnlimitedThreads=false, threadCountSuites=0, threadCountClasses=0, threadCountMethods=0, parallelOptimized=true

-------------------------------------------------------
 T E S T S
-------------------------------------------------------
Running test.JUnitTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.001 sec - in test.JUnitTest

Results :

Tests run: 1, Failures: 0, Errors: 0, Skipped: 0


-------------------------------------------------------
 T E S T S
-------------------------------------------------------
Running TestSuite
Configuring TestNG with: TestNG652Configurator
Cannot use a threadCount parameter less than 1; 1 > 0
Usage: <main class> [options] The XML suite files to run
  Options:
    -configfailurepolicy
       Configuration failure policy (skip or continue)
    -d
       Output directory
    -dataproviderthreadcount
       Number of threads to use when running data providers
    -excludegroups
       Comma-separated list of group names to  exclude
    -groups
       Comma-separated list of group names to be run
    -junit
       JUnit mode
       Default: false
    -listener
       List of .class files or list of class names implementing ITestListener or
       ISuiteListener
    -methods
       Comma separated of test methods
       Default: []
    -methodselectors
       List of .class files or list of class names implementing IMethodSelector
    -mixed
       Mixed mode - autodetect the type of current test and run it with
       appropriate runner
       Default: false
    -objectfactory
       List of .class files or list of class names implementing
       ITestRunnerFactory
    -parallel
       Parallel mode (methods, tests or classes)
       Possible Values: [tests, methods, classes, instances, none, true, false]
    -port
       The port
    -reporter
       Extended configuration for custom report listener
    -suitename
       Default name of test suite, if not specified in suite definition file or
       source code
    -suitethreadpoolsize
       Size of the thread pool to use to run suites
       Default: 1
    -testclass
       The list of test classes
    -testjar
       A jar file containing the tests
    -testname
       Default name of test, if not specified in suitedefinition file or source
       code
    -testnames
       The list of test names to run
    -testrunfactory, -testRunFactory
       The factory used to create tests
    -threadcount
       Number of threads to use when running tests in parallel
    -usedefaultlisteners
       Whether to use the default listeners
       Default: true
    -log, -verbose
       Level of verbosity
    -xmlpathinjar
       The full path to the xml file inside the jar file (only valid if -testjar
       was specified)
       Default: testng.xml


Results :

Tests run: 0, Failures: 0, Errors: 0, Skipped: 0

[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1.291 s
[INFO] Finished at: 2016-10-31T09:08:12+01:00
[INFO] Final Memory: 12M/323M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.18.1:test (default-test) on project threadCount: Execution default-test of goal org.apache.maven.plugins:maven-surefire-plugin:2.18.1:test failed: The forked VM terminated without properly saying goodbye. VM crash or System.exit called?
[ERROR] Command was /bin/sh -c cd /home/juherr/Projects/threadCount && /usr/lib/jvm/java-8-oracle/jre/bin/java -jar /home/juherr/Projects/threadCount/target/surefire/surefirebooter5940434228726911411.jar /home/juherr/Projects/threadCount/target/surefire/surefire3860636047878676064tmp /home/juherr/Projects/threadCount/target/surefire/surefire_19179595165950354371tmp
[ERROR] -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[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

Process finished with exit code 1

pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>threadCount</groupId>
    <artifactId>threadCount</artifactId>
    <version>1.0-SNAPSHOT</version>

    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.testng</groupId>
            <artifactId>testng</artifactId>
            <version>6.9.10</version>
            <scope>test</scope>
        </dependency>
    </dependencies>
    <build>
        <plugins>
            <plugin>
                <artifactId>maven-surefire-plugin</artifactId>
                <version>2.18.1</version>
                <configuration>
                    <properties>
                        <property>
                            <name>junit</name>
                            <value>false</value>
                        </property>
                    </properties>
                </configuration>
                <dependencies>
                    <dependency>
                        <groupId>org.apache.maven.surefire</groupId>
                        <artifactId>surefire-junit47</artifactId>
                        <version>2.18.1</version>
                    </dependency>
                    <dependency>
                        <groupId>org.apache.maven.surefire</groupId>
                        <artifactId>surefire-testng</artifactId>
                        <version>2.18.1</version>
                    </dependency>
                </dependencies>
            </plugin>
        </plugins>
    </build>
</project>

TestNGTest.java

package test;

import org.testng.annotations.Test;

public class TestNGTest {

    @Test
    public void testT1() {}
}

@Tibor17 The issue only appears when you have both surefire-junit47 and surefire-testng as dependency.