Hello Alex,
I haven’t spent much time working with [crypto], but I recall seeing something
like this when building from a Mac. In fact, my error is upstream to yours:
--------------------------
[INFO] Executing tasks
make:
[exec]
"/Library/Java/JavaVirtualMachines/jdk1.8.0_162.jdk/Contents/Home/bin/javah"
-force -classpath target/classes -o
target/jni-classes/org/apache/commons/crypto/random/OpenSslCryptoRandomNative.h
org.apache.commons.crypto.random.OpenSslCryptoRandomNative
[exec] gcc -arch x86_64 -Ilib/inc_mac
-I/Library/Java/JavaVirtualMachines/jdk1.8.0_162.jdk/Contents/Home/include -O2
-fPIC -mmacosx-version-min=10.5 -fvisibility=hidden -I/usr/local/include
-Ilib/include -I/usr/include -I"src/main/native/org/apache/commons/crypto/"
-I"/Library/Java/JavaVirtualMachines/jdk1.8.0_162.jdk/Contents/Home/include/darwin"
-I"target/jni-classes/org/apache/commons/crypto/cipher"
-I"target/jni-classes/org/apache/commons/crypto/random" -c
src/main/native/org/apache/commons/crypto/random/OpenSslCryptoRandomNative.c -o
target/commons-crypto-1.1.0-SNAPSHOT-Mac-x86_64/OpenSslCryptoRandomNative.o
[exec] In file included from
src/main/native/org/apache/commons/crypto/random/OpenSslCryptoRandomNative.c:19:
[exec] In file included from
src/main/native/org/apache/commons/crypto/random/org_apache_commons_crypto_random.h:22:
[exec]
src/main/native/org/apache/commons/crypto/org_apache_commons_crypto.h:195:10:
fatal error: 'openssl/aes.h' file not found
[exec] #include <openssl/aes.h>
[exec] ^~~~~~~~~~~~~~~
[exec] 1 error generated.
[exec] make: ***
[target/commons-crypto-1.1.0-SNAPSHOT-Mac-x86_64/OpenSslCryptoRandomNative.o]
Error 1
------------------------------
before execution of the tests even begin. Did you see something similar when
you were first building the project?
Either way, I agree that the documentation on building the project does not
seem to result in success.
Cheers,
-Rob
> On Mar 23, 2018, at 8:07 AM, Alex Remily <alex.rem...@gmail.com> wrote:
>
> Sending again, this time with a subject line.
>
> I’m building Apache Commons Crypto from source on Mac OS HighSierra
> (10.13.3) and the CryptoRandom tests fail, apparently because of
> failure to load the underlying random number generation library. All
> other tests pass. I successfully built and tested on Ubuntu 16.04 in
> a similar development environment, so the problem seems isolated to my
> Mac. Has anyone had a similar experience, or have any ideas why the
> Mac is exhibiting this behavior? I’ve tested two versions of openssl,
> and both versions produced identical failures.
>
> Best wishes,
>
> Alex
>
>
> [INFO] Scanning for projects...
> [INFO]
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Building Apache Commons Crypto 1.1.0-SNAPSHOT
> [INFO]
> ------------------------------------------------------------------------
> [INFO]
> [INFO] --- maven-enforcer-plugin:1.4.1:enforce (enforce-maven-3) @
> commons-crypto ---
> [INFO]
> [INFO] --- build-helper-maven-plugin:3.0.0:parse-version
> (parse-version) @ commons-crypto ---
> [INFO]
> [INFO] --- maven-resources-plugin:2.7:resources (create-version-file)
> @ commons-crypto ---
> [INFO] Using 'iso-8859-1' encoding to copy filtered resources.
> [INFO] Copying 1 resource
> [INFO]
> [INFO] --- maven-antrun-plugin:1.8:run (javadoc.resources) @ commons-crypto
> ---
> [INFO] Executing tasks
>
> main:
> [copy] Copying 2 files to
> /Users/Alex/Documents/git_repos/commons-crypto/target/apidocs/META-INF
> [INFO] Executed tasks
> [INFO]
> [INFO] --- maven-remote-resources-plugin:1.5:process
> (process-resource-bundles) @ commons-crypto ---
> [INFO]
> [INFO] --- buildnumber-maven-plugin:1.4:create (default) @ commons-crypto ---
> [INFO] Executing: /bin/sh -c cd
> '/Users/Alex/Documents/git_repos/commons-crypto' && 'git' 'rev-parse'
> '--verify' 'HEAD'
> [INFO] Working directory: /Users/Alex/Documents/git_repos/commons-crypto
> [INFO] Storing buildNumber: d69ef9556f44c076034add15feef1c5513248404
> at timestamp: 2018-03-22 17:12:10-0400
> [INFO] Storing buildScmBranch: master
> [INFO]
> [INFO] --- maven-resources-plugin:2.7:resources (default-resources) @
> commons-crypto ---
> [INFO] Using 'iso-8859-1' encoding to copy filtered resources.
> [INFO] Copying 1 resource
> [INFO]
> [INFO] --- maven-compiler-plugin:3.7.0:compile (default-compile) @
> commons-crypto ---
> [INFO] Changes detected - recompiling the module!
> [INFO] Compiling 38 source files to
> /Users/Alex/Documents/git_repos/commons-crypto/target/classes
> [INFO]
> [INFO] --- maven-antrun-plugin:1.8:run (make) @ commons-crypto ---
> [INFO] Executing tasks
>
> make:
> [exec]
> "/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/bin/javah"
> -force -classpath target/classes -o
> target/jni-classes/org/apache/commons/crypto/random/OpenSslCryptoRandomNative.h
> org.apache.commons.crypto.random.OpenSslCryptoRandomNative
> [exec] gcc -arch x86_64 -Ilib/inc_mac
> -I/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/include
> -O2 -fPIC -mmacosx-version-min=10.5 -fvisibility=hidden
> -I/usr/local/include -I/usr/local/Cellar/openssl/1.0.2n/include
> -Ilib/include -I/usr/include
> -I"src/main/native/org/apache/commons/crypto/"
> -I"/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/include/darwin"
> -I"target/jni-classes/org/apache/commons/crypto/cipher"
> -I"target/jni-classes/org/apache/commons/crypto/random" -c
> src/main/native/org/apache/commons/crypto/random/OpenSslCryptoRandomNative.c
> -o target/commons-crypto-1.1.0-SNAPSHOT-Mac-x86_64/OpenSslCryptoRandomNative.o
> [exec]
> "/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/bin/javah"
> -force -classpath target/classes -o
> target/jni-classes/org/apache/commons/crypto/cipher/OpenSslNative.h
> org.apache.commons.crypto.cipher.OpenSslNative
> [exec] gcc -arch x86_64 -Ilib/inc_mac
> -I/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/include
> -O2 -fPIC -mmacosx-version-min=10.5 -fvisibility=hidden
> -I/usr/local/include -I/usr/local/Cellar/openssl/1.0.2n/include
> -Ilib/include -I/usr/include
> -I"src/main/native/org/apache/commons/crypto/"
> -I"/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/include/darwin"
> -I"target/jni-classes/org/apache/commons/crypto/cipher"
> -I"target/jni-classes/org/apache/commons/crypto/random" -c
> src/main/native/org/apache/commons/crypto/cipher/OpenSslNative.c -o
> target/commons-crypto-1.1.0-SNAPSHOT-Mac-x86_64/OpenSslNative.o
> [exec]
> "/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/bin/javah"
> -force -classpath target/classes -o
> target/jni-classes/org/apache/commons/crypto/OpenSslInfoNative.h
> org.apache.commons.crypto.OpenSslInfoNative
> [exec] gcc -arch x86_64 -Ilib/inc_mac
> -I/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/include
> -O2 -fPIC -mmacosx-version-min=10.5 -fvisibility=hidden
> -I/usr/local/include -I/usr/local/Cellar/openssl/1.0.2n/include
> -Ilib/include -I/usr/include
> -I"src/main/native/org/apache/commons/crypto/"
> -I"/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/include/darwin"
> -I"target/jni-classes/org/apache/commons/crypto/cipher"
> -I"target/jni-classes/org/apache/commons/crypto/random"
> -DVERSION='"1.1.0-SNAPSHOT"' -DPROJECT_NAME='"Apache Commons Crypto"'
> -I"target/jni-classes/org/apache/commons/crypto" -c
> src/main/native/org/apache/commons/crypto/OpenSslInfoNative.c -o
> target/commons-crypto-1.1.0-SNAPSHOT-Mac-x86_64/OpenSslInfoNative.o
> [exec] g++ -arch x86_64 -Ilib/inc_mac
> -I/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/include
> -O2 -fPIC -mmacosx-version-min=10.5 -fvisibility=hidden
> -I/usr/local/include -I/usr/local/Cellar/openssl/1.0.2n/include
> -Ilib/include -I/usr/include
> -I"/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/include/darwin"
> -I"target/jni-classes/org/apache/commons/crypto/cipher"
> -I"target/jni-classes/org/apache/commons/crypto/random" -o
> target/commons-crypto-1.1.0-SNAPSHOT-Mac-x86_64/libcommons-crypto.jnilib
> target/commons-crypto-1.1.0-SNAPSHOT-Mac-x86_64/OpenSslCryptoRandomNative.o
> target/commons-crypto-1.1.0-SNAPSHOT-Mac-x86_64/OpenSslNative.o
> target/commons-crypto-1.1.0-SNAPSHOT-Mac-x86_64/OpenSslInfoNative.o
> -dynamiclib -L/usr/local/lib
> [exec] clang: warning: libstdc++ is deprecated; move to libc++
> with a minimum deployment target of OS X 10.9 [-Wdeprecated]
> [exec] strip -x
> target/commons-crypto-1.1.0-SNAPSHOT-Mac-x86_64/libcommons-crypto.jnilib
> [exec] cp
> target/commons-crypto-1.1.0-SNAPSHOT-Mac-x86_64/libcommons-crypto.jnilib
> target/classes/org/apache/commons/crypto/native/Mac/x86_64/libcommons-crypto.jnilib
> [exec] cp
> target/commons-crypto-1.1.0-SNAPSHOT-Mac-x86_64/libcommons-crypto.jnilib
> target/classes/org/apache/commons/crypto/native/Mac/x86_64/libcommons-crypto.jnilib
> [INFO] Executed tasks
> [INFO]
> [INFO] --- maven-bundle-plugin:3.4.0:manifest (bundle-manifest) @
> commons-crypto ---
> [INFO]
> [INFO] --- animal-sniffer-maven-plugin:1.16:check
> (checkAPIcompatibility) @ commons-crypto ---
> [INFO] Checking unresolved references to
> org.codehaus.mojo.signature:java17:1.0
> [INFO]
> [INFO] --- maven-resources-plugin:2.7:testResources
> (default-testResources) @ commons-crypto ---
> [INFO] Using 'iso-8859-1' encoding to copy filtered resources.
> [INFO] skip non existing resourceDirectory
> /Users/Alex/Documents/git_repos/commons-crypto/src/test/resources
> [INFO] Copying 2 resources to META-INF
> [INFO]
> [INFO] --- maven-compiler-plugin:3.7.0:testCompile
> (default-testCompile) @ commons-crypto ---
> [INFO] Changes detected - recompiling the module!
> [INFO] Compiling 38 source files to
> /Users/Alex/Documents/git_repos/commons-crypto/target/test-classes
> [INFO]
> [INFO] --- jacoco-maven-plugin:0.7.7.201606060606:prepare-agent
> (prepare-agent) @ commons-crypto ---
> [INFO] argLine set to
> -javaagent:/Users/Alex/.m2/repository/org/jacoco/org.jacoco.agent/0.7.7.201606060606/org.jacoco.agent-0.7.7.201606060606-runtime.jar=destfile=/Users/Alex/Documents/git_repos/commons-crypto/target/jacoco.exec,excludes=**/examples/*
> [INFO]
> [INFO] --- maven-surefire-plugin:2.20.1:test (default-test) @ commons-crypto
> ---
> [INFO]
> [INFO] -------------------------------------------------------
> [INFO] T E S T S
> [INFO] -------------------------------------------------------
> [INFO] Running org.apache.commons.crypto.CryptoTest
> [INFO] Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed:
> 0.063 s - in org.apache.commons.crypto.CryptoTest
> [INFO] Running org.apache.commons.crypto.stream.CtrNoPaddingCipherStreamTest
> [INFO] Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed:
> 0.312 s - in org.apache.commons.crypto.stream.CtrNoPaddingCipherStreamTest
> [INFO] Running
> org.apache.commons.crypto.stream.CbcPkcs5PaddingCipherStreamTest
> [INFO] Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed:
> 0.079 s - in org.apache.commons.crypto.stream.CbcPkcs5PaddingCipherStreamTest
> [INFO] Running org.apache.commons.crypto.stream.CtrCryptoStreamTest
> [INFO] Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed:
> 0.064 s - in org.apache.commons.crypto.stream.CtrCryptoStreamTest
> [INFO] Running
> org.apache.commons.crypto.stream.PositionedCryptoInputStreamTest
> [INFO] Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed:
> 0.035 s - in org.apache.commons.crypto.stream.PositionedCryptoInputStreamTest
> [INFO] Running org.apache.commons.crypto.stream.CbcNoPaddingCipherStreamTest
> [INFO] Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed:
> 0.056 s - in org.apache.commons.crypto.stream.CbcNoPaddingCipherStreamTest
> [INFO] Running org.apache.commons.crypto.cipher.CryptoCipherFactoryTest
> [INFO] Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed:
> 0.005 s - in org.apache.commons.crypto.cipher.CryptoCipherFactoryTest
> [INFO] Running org.apache.commons.crypto.cipher.JceCipherTest
> [INFO] Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed:
> 0.02 s - in org.apache.commons.crypto.cipher.JceCipherTest
> [INFO] Running org.apache.commons.crypto.cipher.OpenSslCipherTest
> [INFO] Tests run: 13, Failures: 0, Errors: 0, Skipped: 0, Time
> elapsed: 0.016 s - in
> org.apache.commons.crypto.cipher.OpenSslCipherTest
> [INFO] Running org.apache.commons.crypto.cipher.GcmCipherTest
> [INFO] Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed:
> 0.023 s - in org.apache.commons.crypto.cipher.GcmCipherTest
> [INFO] Running org.apache.commons.crypto.utils.UtilsTest
> [INFO] Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed:
> 0 s - in org.apache.commons.crypto.utils.UtilsTest
> [INFO] Running org.apache.commons.crypto.utils.EnumTest
> [INFO] Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed:
> 0.002 s - in org.apache.commons.crypto.utils.EnumTest
> [INFO] Running org.apache.commons.crypto.NativeCodeLoaderTest
> ** INFO: Native (JNI) code loaded successfully
> [WARNING] Tests run: 5, Failures: 0, Errors: 0, Skipped: 2, Time
> elapsed: 0.012 s - in org.apache.commons.crypto.NativeCodeLoaderTest
> [INFO] Running org.apache.commons.crypto.jna.CtrCryptoJnaStreamTest
> [WARNING] Tests run: 4, Failures: 0, Errors: 0, Skipped: 4, Time
> elapsed: 0.081 s - in
> org.apache.commons.crypto.jna.CtrCryptoJnaStreamTest
> [INFO] Running
> org.apache.commons.crypto.jna.PositionedCryptoInputStreamJnaTest
> [WARNING] Tests run: 3, Failures: 0, Errors: 0, Skipped: 3, Time
> elapsed: 0.011 s - in
> org.apache.commons.crypto.jna.PositionedCryptoInputStreamJnaTest
> [INFO] Running org.apache.commons.crypto.jna.CtrNoPaddingCipherJnaStreamTest
> [WARNING] Tests run: 4, Failures: 0, Errors: 0, Skipped: 4, Time
> elapsed: 0.02 s - in
> org.apache.commons.crypto.jna.CtrNoPaddingCipherJnaStreamTest
> [INFO] Running org.apache.commons.crypto.jna.OpenSslJnaCipherTest
> [WARNING] Tests run: 13, Failures: 0, Errors: 0, Skipped: 13, Time
> elapsed: 0.004 s - in
> org.apache.commons.crypto.jna.OpenSslJnaCipherTest
> [INFO] Running
> org.apache.commons.crypto.jna.CbcPkcs5PaddingCipherJnaStreamTest
> [WARNING] Tests run: 4, Failures: 0, Errors: 0, Skipped: 4, Time
> elapsed: 0.02 s - in
> org.apache.commons.crypto.jna.CbcPkcs5PaddingCipherJnaStreamTest
> [INFO] Running org.apache.commons.crypto.jna.OpenSslNativeJnaTest
> ** WARN: JNA could not be enabled: Error looking up function
> 'ENGINE_load_rdrand': dlsym(0x7fd119e3d2d0, ENGINE_load_rdrand):
> symbol not found
> [INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed:
> 0 s - in org.apache.commons.crypto.jna.OpenSslNativeJnaTest
> [INFO] Running org.apache.commons.crypto.jna.CbcNoPaddingCipherJnaStreamTest
> [WARNING] Tests run: 4, Failures: 0, Errors: 0, Skipped: 4, Time
> elapsed: 0.026 s - in
> org.apache.commons.crypto.jna.CbcNoPaddingCipherJnaStreamTest
> [INFO] Running org.apache.commons.crypto.jna.OpenSslJnaCryptoRandomTest
> [WARNING] Tests run: 2, Failures: 0, Errors: 0, Skipped: 2, Time
> elapsed: 0 s - in
> org.apache.commons.crypto.jna.OpenSslJnaCryptoRandomTest
> [INFO] Running org.apache.commons.crypto.random.OpenSslCryptoRandomTest
> [ERROR] Tests run: 2, Failures: 0, Errors: 2, Skipped: 0, Time
> elapsed: 0.007 s <<< FAILURE! - in
> org.apache.commons.crypto.random.OpenSslCryptoRandomTest
> [ERROR]
> testRandomBytes(org.apache.commons.crypto.random.OpenSslCryptoRandomTest)
> Time elapsed: 0.007 s <<< ERROR!
> java.security.GeneralSecurityException: CryptoRandom:
> [org.apache.commons.crypto.random.OpenSslCryptoRandom] failed with
> java.lang.reflect.InvocationTargetException
> at
> org.apache.commons.crypto.random.OpenSslCryptoRandomTest.getCryptoRandom(OpenSslCryptoRandomTest.java:37)
> Caused by: java.lang.RuntimeException:
> java.lang.reflect.InvocationTargetException
> at
> org.apache.commons.crypto.random.OpenSslCryptoRandomTest.getCryptoRandom(OpenSslCryptoRandomTest.java:37)
> Caused by: java.lang.reflect.InvocationTargetException
> at
> org.apache.commons.crypto.random.OpenSslCryptoRandomTest.getCryptoRandom(OpenSslCryptoRandomTest.java:37)
> Caused by: java.security.GeneralSecurityException: Native library
> could not be initialised
> at
> org.apache.commons.crypto.random.OpenSslCryptoRandomTest.getCryptoRandom(OpenSslCryptoRandomTest.java:37)
> Caused by: java.lang.UnsatisfiedLinkError: ENGINE_load_rdrand
>
> [ERROR]
> testRandomBytesMultiThreaded(org.apache.commons.crypto.random.OpenSslCryptoRandomTest)
> Time elapsed: 0 s <<< ERROR!
> java.security.GeneralSecurityException: CryptoRandom:
> [org.apache.commons.crypto.random.OpenSslCryptoRandom] failed with
> java.lang.reflect.InvocationTargetException
> at
> org.apache.commons.crypto.random.OpenSslCryptoRandomTest.getCryptoRandom(OpenSslCryptoRandomTest.java:37)
> Caused by: java.lang.RuntimeException:
> java.lang.reflect.InvocationTargetException
> at
> org.apache.commons.crypto.random.OpenSslCryptoRandomTest.getCryptoRandom(OpenSslCryptoRandomTest.java:37)
> Caused by: java.lang.reflect.InvocationTargetException
> at
> org.apache.commons.crypto.random.OpenSslCryptoRandomTest.getCryptoRandom(OpenSslCryptoRandomTest.java:37)
> Caused by: java.security.GeneralSecurityException: Native library
> could not be initialised
> at
> org.apache.commons.crypto.random.OpenSslCryptoRandomTest.getCryptoRandom(OpenSslCryptoRandomTest.java:37)
> Caused by: java.lang.UnsatisfiedLinkError: ENGINE_load_rdrand
>
> [INFO] Running org.apache.commons.crypto.random.JavaCryptoRandomTest
> [INFO] Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed:
> 0.366 s - in org.apache.commons.crypto.random.JavaCryptoRandomTest
> [INFO] Running org.apache.commons.crypto.random.OsCryptoRandomTest
> [INFO] Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed:
> 1.401 s - in org.apache.commons.crypto.random.OsCryptoRandomTest
> [INFO] Running org.apache.commons.crypto.random.CryptoRandomFactoryTest
> [INFO] Tests run: 10, Failures: 0, Errors: 0, Skipped: 0, Time
> elapsed: 0.005 s - in
> org.apache.commons.crypto.random.CryptoRandomFactoryTest
> [INFO]
> [INFO] Results:
> [INFO]
> [ERROR] Errors:
> [ERROR]
> OpenSslCryptoRandomTest>AbstractRandomTest.testRandomBytes:35->getCryptoRandom:37
> » GeneralSecurity
> [ERROR]
> OpenSslCryptoRandomTest>AbstractRandomTest.testRandomBytesMultiThreaded:50->getCryptoRandom:37
> » GeneralSecurity
> [INFO]
> [ERROR] Tests run: 113, Failures: 0, Errors: 2, Skipped: 36
> [INFO]
> [INFO]
> ------------------------------------------------------------------------
> [INFO] BUILD FAILURE
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Total time: 14.558 s
> [INFO] Finished at: 2018-03-22T17:12:23-04:00
> [INFO] Final Memory: 35M/499M
> [INFO]
> ------------------------------------------------------------------------
> [ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-surefire-plugin:2.20.1:test
> (default-test) on project commons-crypto: There are test failures.
> [ERROR]
> [ERROR] Please refer to
> /Users/Alex/Documents/git_repos/commons-crypto/target/surefire-reports
> for the individual test results.
> [ERROR] Please refer to dump files (if any exist)
> [date]-jvmRun[N].dump, [date].dumpstream and
> [date]-jvmRun[N].dumpstream.
> [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/MojoFailureException
>
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