Java - Gradle jar created by FatJar task won't work - java

I've been looking for a solution for this for 4 days now with no success,
first doing the normal Gradle build task produced a tiny 7kB jar files which obviously didn't work, then i added the jar configuration for the main class:
jar {
manifest {
attributes 'Main-Class': 'Main'
}
}
It's 2MB now!
Still not good enough,
then i found the fatJar/uberJar/shadow tasks, said to be synonymous to the same thing so i tried clean then fatJar tasks on another small RMI app that will run on the server and it worked great, copied it to the main app, it produces and 60MB jar file which looks good but it won't work for some reason,
The app runs perfectly from my IDE (IntelliJIDEA) but the jar produced just does nothing.
So my last option is to consult experts so here we go:
This's the result of the clean task:
6:11:10 PM: Executing external task 'clean'...
:clean
BUILD SUCCESSFUL
Total time: 0.774 secs
6:11:11 PM: External task execution finished
'clean'.
This's the result of the fatJar task:
6:13:13 PM: Executing external task 'fatJar'...
Note: Some input files use unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
:compileJava
:processResources
:classes
:fatJar
BUILD SUCCESSFUL
Total time: 24.831 secs
6:13:37 PM: External task execution finished 'fatJar'.
This's my build.gradle file
group 'Yasmeena'
version '1.0-SNAPSHOT'
apply plugin: 'java'
compileJava.options.encoding = 'UTF-8'
sourceCompatibility = 1.8
jar {
manifest {
attributes 'Main-Class': 'Main'
}
}
task fatJar(type: Jar) {
manifest {
attributes 'Implementation-Title': 'Gradle Jar',
'Implementation-Version': version,
'Main-Class': 'Main'
}
baseName = project.name + '-all'
from { configurations.compile.collect { it.isDirectory() ? it : zipTree(it) } }
with jar
}
allprojects {
repositories {
mavenCentral()
maven { url 'https://jitpack.io' }
}
}
dependencies {
compile 'com.mchange:c3p0:0.9.5.2'
compile 'commons-beanutils:commons-beanutils:1.9.3'
// compile 'org.apache.commons:commons-collections3:2.2-SNAPSHOT'
compile 'commons-digester:commons-digester:2.1'
compile 'commons-logging:commons-logging:1.2'
compile 'commons-validator:commons-validator:1.6'
compile 'org.controlsfx:controlsfx:8.40.13'
compile 'com.jfoenix:jfoenix:1.7.0'
compile 'com.mchange:mchange-commons-java:0.2.11'
compile 'com.github.PlusHaze:TrayNotification:-SNAPSHOT'
compile 'com.google.firebase:firebase-admin:5.3.0'
compile 'org.jetbrains:annotations:15.0'
compile 'org.slf4j:slf4j-simple:1.7.25'
compile group: 'org.postgresql', name: 'postgresql', version: '42.1.4'
compile group: 'com.impossibl.pgjdbc-ng', name: 'pgjdbc-ng', version: '0.6'
compile group: 'org.eclipse.jdt.core.compiler', name: 'ecj', version: '4.6.1'
compile group: 'de.jensd', name: 'fontawesomefx', version: '8.9'
compile group: 'commons-collections', name: 'commons-collections', version: '3.2.2'
compile group: 'com.lowagie', name: 'itext', version: '2.1.7'
compile group: 'org.olap4j', name: 'olap4j', version: '1.2.0'
compile fileTree(dir: 'lib', include: 'ReportUtilities.jar')
compile('net.sf.jasperreports:jasperreports:6.4.1') {
exclude group: 'com.itextpdf'
}
runtime 'com.itextpdf:itextpdf:5.5.0'
runtime 'com.itextpdf:itext-pdfa:5.5.0'
testCompile group: 'junit', name: 'junit', version: '4.12'
}
my Main.java class which holds my main method exists directly in the main -> java directory
This's my settings.gradle file:
rootProject.name = 'Yasmeena'
My main method is a simple method that launches the JavaFX application:
public static void main(String[] args) {
launch(args);
}
This's my project structure
UPDATE:
Current state of build.gradle file:
group 'Yasmeena'
version '1.0-SNAPSHOT'
apply plugin: 'java'
compileJava.options.encoding = 'UTF-8'
sourceCompatibility = 1.8
jar {
manifest {
attributes 'Main-Class': 'activities.Main'
}
}
allprojects {
repositories {
mavenCentral()
maven { url 'https://jitpack.io' }
}
}
dependencies {
compile 'com.mchange:c3p0:0.9.5.2'
compile 'commons-beanutils:commons-beanutils:1.9.3'
compile 'commons-digester:commons-digester:2.1'
compile 'commons-logging:commons-logging:1.2'
compile 'commons-validator:commons-validator:1.6'
compile 'org.controlsfx:controlsfx:8.40.13'
compile 'com.jfoenix:jfoenix:1.7.0'
compile 'com.mchange:mchange-commons-java:0.2.11'
compile 'com.github.PlusHaze:TrayNotification:-SNAPSHOT'
compile 'com.google.firebase:firebase-admin:5.3.0'
compile 'org.jetbrains:annotations:15.0'
compile 'org.slf4j:slf4j-simple:1.7.25'
compile group: 'org.postgresql', name: 'postgresql', version: '42.1.4'
compile group: 'com.impossibl.pgjdbc-ng', name: 'pgjdbc-ng', version: '0.6'
compile group: 'org.eclipse.jdt.core.compiler', name: 'ecj', version: '4.6.1'
compile group: 'de.jensd', name: 'fontawesomefx', version: '8.9'
compile group: 'commons-collections', name: 'commons-collections', version: '3.2.2'
compile group: 'com.lowagie', name: 'itext', version: '2.1.7'
compile group: 'org.olap4j', name: 'olap4j', version: '1.2.0'
compile fileTree(dir: 'lib', include: 'ReportUtilities.jar')
compile('net.sf.jasperreports:jasperreports:6.4.1') {
exclude group: 'com.itextpdf'
}
runtime 'com.itextpdf:itextpdf:5.5.0'
runtime 'com.itextpdf:itext-pdfa:5.5.0'
testCompile group: 'junit', name: 'junit', version: '4.12'
}
buildscript {
repositories {
jcenter()
}
dependencies {
classpath 'eu.appsatori:gradle-fatjar-plugin:0.3'
}
}
task fatJar(type: Jar) {
manifest {
attributes 'Implementation-Title': 'Gradle Jar',
'Implementation-Version': version,
'Main-Class': 'activities.Main',
'Class-Path': ". ${configurations.compile.collect { it.getName() }.join(' ')}"
}
baseName = project.name + '-all'
from { configurations.compile.collect { it.isDirectory() ? it : zipTree(it) } }
with jar
}
Current state of project structure
Inside the jar file there's an activities folder which contains a Main.class file
UPDATE:
jar file -> META-INF -> MANIFEST.MF
Manifest-Version: 1.0
Implementation-Title: Gradle Jar
Implementation-Version: 1.0-SNAPSHOT
Class-Path: . ReportUtilities.jar c3p0-0.9.5.2.jar commons-beanutils-1
.9.3.jar commons-digester-2.1.jar commons-logging-1.2.jar commons-val
idator-1.6.jar controlsfx-8.40.13.jar jfoenix-1.7.0.jar mchange-commo
ns-java-0.2.11.jar TrayNotification--SNAPSHOT.jar firebase-admin-5.3.
0.jar annotations-15.0.jar slf4j-simple-1.7.25.jar postgresql-42.1.4.
jar pgjdbc-ng-0.6.jar ecj-4.6.1.jar fontawesomefx-8.9.jar commons-col
lections-3.2.2.jar itext-2.1.7.jar olap4j-1.2.0.jar jasperreports-6.4
.1.jar google-api-client-1.22.0.jar google-api-client-gson-1.22.0.jar
google-http-client-1.22.0.jar json-20160810.jar guava-20.0.jar googl
e-cloud-storage-1.2.1.jar slf4j-api-1.7.25.jar netty-all-4.0.32.Final
.jar bcmail-jdk14-138.jar bcprov-jdk14-138.jar xercesImpl-2.11.0.jar
jcommon-1.0.23.jar jfreechart-1.0.19.jar castor-xml-1.3.3.jar jackson
-core-2.1.4.jar jackson-databind-2.1.4.jar jackson-annotations-2.1.4.
jar lucene-core-4.5.1.jar lucene-analyzers-common-4.5.1.jar lucene-qu
eryparser-4.5.1.jar core-3.2.1.jar icu4j-57.1.jar google-oauth-client
-1.22.0.jar google-http-client-jackson2-1.22.0.jar google-http-client
-gson-1.22.0.jar httpclient-4.0.1.jar google-cloud-core-1.2.1.jar goo
gle-cloud-core-http-1.2.1.jar google-api-services-storage-v1-rev100-1
.22.0.jar castor-core-1.3.3.jar commons-lang-2.6.jar javax.inject-1.j
ar stax-1.2.0.jar stax-api-1.0-2.jar lucene-queries-4.5.1.jar lucene-
sandbox-4.5.1.jar guava-jdk5-17.0.jar httpcore-4.0.1.jar commons-code
c-1.3.jar joda-time-2.9.2.jar api-common-1.1.0.jar gax-1.4.1.jar prot
obuf-java-util-3.3.0.jar proto-google-common-protos-0.1.12.jar proto-
google-iam-v1-0.1.12.jar google-auth-library-credentials-0.7.0.jar go
ogle-auth-library-oauth2-http-0.7.0.jar google-http-client-appengine-
1.21.0.jar google-http-client-jackson-1.21.0.jar stax-api-1.0.1.jar j
akarta-regexp-1.4.jar auto-value-1.2.jar threetenbp-1.3.3.jar protobu
f-java-3.3.0.jar jackson-core-asl-1.9.11.jar bctsp-jdk14-1.38.jar bcp
rov-jdk14-1.38.jar bcmail-jdk14-1.38.jar xml-apis-1.4.01.jar jsr305-3
.0.0.jar gson-2.7.jar
Main-Class: activities.Main

As per the comments here is what was tried.
Making sure a main class is set
Making sure the main class has the same full class name as the one defined
Checking the manifest is valid
Checking the class exists
JavaFX may need a plugin
In the end the last one fixed the issue this was the plugin that fixed the issue.
This was the last comment in the chain:
#jrtapsell Well, this's embarrassing but i'v found the problem, i was unaware that JavaFX apps need a special plugin for Gradle, Using the FiberFox Plugin solved my issue, Thanks for your efforts and may you post answers so that i could upvote you if you like

Related

Could not get unknown property "runtime" Gradle 7.0

I switched to gradle 7.0 recently and now cannot build my projects jar, with the error
Could not get unknown property 'runtime' for configuration container of type org.gradle.api.internal.artifacts.configurations.DefaultConfigurationContainer.
`
Here is my build.gradle:
apply plugin: 'java'
apply plugin: 'idea'
apply plugin: 'application'
repositories {
mavenCentral()
}
dependencies {
implementation group: 'org.glassfish.jersey.containers', name: 'jersey-container-servlet-core', version: '2.7'
implementation group: 'org.eclipse.jetty.aggregate', name: 'jetty-all', version: '9.3.0.M1'
//
implementation 'javax.xml.bind:jaxb-api:2.3.0'
// testImplementation group: 'junit', name: 'junit', version: '4.11'
implementation group: 'org.json', name: 'json', version: '20200518'
implementation group: 'com.jolbox', name: 'bonecp', version: '0.8.0.RELEASE'
implementation group: 'mysql', name: 'mysql-connector-java', version: '8.0.22'
implementation group: 'com.fasterxml.jackson.jaxrs', name: 'jackson-jaxrs-json-provider', version: '2.12.0'
implementation "org.slf4j:slf4j-simple:1.7.9"
}
version = '1.0'
jar {
manifest {
attributes(
'Main-Class': 'classes.RestServer',
)
}
}
task fatJar(type: Jar) {
manifest.from jar.manifest
classifier = 'all'
from {
configurations.runtime.collect { it.isDirectory() ? it : zipTree(it) }
} {
exclude "META-INF/.SF"
exclude "META-INF/.DSA"
exclude "META-INF/*.RSA"
}
with jar
}
artifacts {
archives fatJar
}
Gradle removed the runtime configuration after Gradle 6.x.
You can either change your fatJar task in build.gradle to refer to runtimeConfiguration (as per the Java plugin documentation):
task fatJar(type: Jar) {
manifest.from jar.manifest
classifier = 'all'
from {
// change here: runtimeClasspath instead of runtime
configurations.runtimeClasspath.collect { it.isDirectory() ? it : zipTree(it) }
} {
exclude "META-INF/.SF"
exclude "META-INF/.DSA"
exclude "META-INF/*.RSA"
}
with jar
}
Alternatively use a plugin that deals with fat jar building for you. I've tried Shadow a few years ago. This should also take care of files with the same names from different jars (like META-INF/LICENSE) that you may run into with your approach.
Support for runtime configuration has been stopped gradle-7.0, so configurations.runtime is not working.
Task copyAllDependencies worked for me in gradle-7.0.
Here is the example to copy dependencies into ${buildDir}/output/libs:
Add following to build.gradle.
task copyAllDependencies(type: Copy) {
from configurations.compileClasspath
into "${buildDir}/output/libs"
}
build.dependsOn(copyAllDependencies)
I hope it helps.

Apache Camel Timer Nullpointer exception at Fat Jar

I'm trying to implement a timer using Camel 3.5 at Gradle project with OpenJDK8 as next
from("timer://watchexpiration?fixedRate=true&period=600000&delay=0")...
But, after build the fat jar using ./gradlew build and run as java -jar build/libs/app.jar
I receive the next error at console
Caused by: org.apache.camel.ResolveEndpointFailedException: Failed to resolve endpoint: timer://watchexpiration?delay=0&fixedRate=true&period=600000 due to: Error binding property (delay=0) with name: delay on bean: timer://watchexpiration?delay=0&fixedRate=true&period=600000 with value: 0
at org.apache.camel.impl.engine.AbstractCamelContext.doGetEndpoint(AbstractCamelContext.java:888)
at org.apache.camel.impl.engine.AbstractCamelContext.getEndpoint(AbstractCamelContext.java:777)
at org.apache.camel.support.CamelContextHelper.getMandatoryEndpoint(CamelContextHelper.java:58)
at org.apache.camel.reifier.AbstractReifier.resolveEndpoint(AbstractReifier.java:177)
at org.apache.camel.reifier.RouteReifier.doCreateRoute(RouteReifier.java:250)
at org.apache.camel.reifier.RouteReifier.createRoute(RouteReifier.java:112)
But If I run using ./gradlew run then works fine as I expected.
I don't want to use any frameworks for this project. I feel this is just a config issue or something is wrong with my configuration I guess.
How can I fix it?
build.gradle
plugins {
id 'java'
id 'application'
id 'com.github.sherter.google-java-format' version '0.8'
}
repositories {
jcenter()
}
dependencies {
implementation 'com.google.guava:guava:29.0-jre'
testImplementation 'org.junit.jupiter:junit-jupiter-api:5.6.2'
testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.6.2'
// Camel
compile group: 'org.apache.camel', name: 'camel-core', version: '3.5.0'
compile group: 'org.apache.camel', name: 'camel-file', version: '3.5.0'
compile group: 'org.apache.camel', name: 'camel-file-watch', version: '3.5.0'
compile group: 'org.apache.camel', name: 'camel-xstream', version: '3.5.0'
compile group: 'org.apache.camel', name: 'camel-gson', version: '3.5.0'
compile group: 'org.apache.camel', name: 'camel-rest', version: '3.5.0'
compile group: 'org.apache.camel', name: 'camel-servlet', version: '3.5.0'
compile group: 'org.apache.camel', name: 'camel-http', version: '3.5.0'
compile group: 'org.apache.camel', name: 'camel-jackson', version: '3.5.0'
compile group: 'org.apache.camel', name: 'camel-quartz', version: '3.5.0'
compile group: 'org.apache.camel', name: 'camel-timer', version: '3.5.0'
compile group: 'org.slf4j', name: 'slf4j-simple', version: '1.7.30'
compile group: 'org.slf4j', name: 'slf4j-api', version: '1.7.30'
// Dev Libs
compileOnly("org.projectlombok:lombok:1.18.12")
annotationProcessor("org.projectlombok:lombok:1.18.12")
compile group: 'org.apache.commons', name: 'commons-csv', version: '1.4'
}
application {
mainClassName = 'com.eip.App'
}
configurations {
// configuration that holds jars to include in the jar
extraLibs
}
jar {
manifest {
attributes(
'Main-Class': 'com.beam.agent.App'
)
}
from {
configurations.runtimeClasspath.collect { it.isDirectory() ? it : zipTree(it) }
}
}
test {
useJUnitPlatform()
}
googleJavaFormat {
exclude '**/App.java'
}
Shadowing jars can be tricky, because you need to handle duplicate entries. In Apache Camel there are many META-INF service files, which are getting overwritten with your simple jar approach. Use com.github.johnrengelman.shadow which is allowing you to customize the merging process.
plugins {
id 'java'
id 'application'
id 'com.github.sherter.google-java-format' version '0.8'
id "com.github.johnrengelman.shadow" version "6.0.0" // Added plugin
}
repositories {
jcenter()
}
dependencies {
// ...
}
application {
mainClassName = 'com.eip.App'
}
// Removed jar step
test {
useJUnitPlatform()
}
googleJavaFormat {
exclude '**/App.java'
}
// Added shadow plugin configuration
shadowJar {
mergeServiceFiles() // Tell plugin to merge duplicate service files
manifest {
attributes 'Main-Class': 'com.eip.App'
}
}
apply plugin: 'com.github.johnrengelman.shadow'
Shaded executable jar will have suffix -all.jar
java -jar build/libs/app-all.jar

Execute jar with included dependencies using Gradle

It was working fine when external dependencies were in the separate lib folder, but due to change in requirements jar should contain all external dependencies in it, not in a separate folder.
Can anyone Guide me how can I execute the jar file
here is my Gradle file
apply plugin: 'java-library-distribution'
group = 'com.MyCompany'
version = '0.0.1-SNAPSHOT'
description = "data-purge-service"
sourceCompatibility = 1.8
targetCompatibility = 1.8
tasks.withType(JavaCompile) {
options.encoding = 'UTF-8'
}
dependencies {
compile group: 'commons-configuration', name: 'commons-configuration', version:'1.6'
compile group: 'log4j', name: 'log4j', version:'1.2.17'
compile group: 'log4j', name: 'apache-log4j-extras', version:'1.2.17'
compile group: 'org.quartz-scheduler', name: 'quartz', version:'2.2.1'
compile group: 'org.json', name: 'json', version:'20151123'
compile group: 'com.google.inject', name: 'guice', version:'3.0'
compile group: 'commons-codec', name: 'commons-codec', version:'1.10'
compile group: 'org.apache.velocity', name: 'velocity', version:'1.7'
compile group: 'javax.mail', name: 'mail', version:'1.4'
compile group: 'org.jsoup', name: 'jsoup', version:'1.8.3'
runtime group: 'mysql', name: 'mysql-connector-java', version:'6.0.6'
testCompile group: 'junit', name: 'junit', version:'3.8.1'
}
jar {
manifest {
attributes "Main-Class": "com.MyCompany.datapurge.service.App"
}
from {
configurations.compile.collect { it.isDirectory() ? it : zipTree(it) }
}
sourceSets {
main {
output.resourcesDir = "build/libs/resources"
}
}
}
When I execute generated jar it is unable to locate dependencies.
What is the way to execute it?
For my case, with gradle version 5 , dependencies were only added when i used configurations.runtimeClasspath instead configurations.compile, as posted in many places.
Here the full task example:
task BuildJar(type: Jar) {
manifest {
attributes(
'Main-Class': 'org.mycompany.mainclass'
)
}
classifier = 'all'
baseName = 'MyJar'
from {
configurations.runtimeClasspath.collect { it.isDirectory() ? it : zipTree(it) }
}
{
exclude "META-INF/*.SF"
exclude "META-INF/*.DSA"
exclude "META-INF/*.RSA"
}
with jar
}
It will create a single jar with everything.
To run the task do:
gradle task BuildJar //use gradew.bat for windows
It will place the jar at ./build/libs
To run just do:
java -jar MyJar.jar
Use Java Decompile to analise the jar.
"In this tutorial, we will show you how to use Gradle build tool to create a single Jar file with dependencies."

Gradle jar does not include Guava Preconditions

I have the following build.gradle file for my project
apply plugin: 'java'
sourceCompatibility = 1.8
repositories {
mavenCentral()
}
dependencies {
compile 'com.google.guava:guava:23.6-jre';
testCompile group: 'junit', name: 'junit', version: '4.12'
}
jar {
manifest {
attributes 'Main-Class': 'Runner.ClientRunner'
}
}
However, when I run "gradle jar" and attempt to run the given jar, I get the error:
java.lang.NoClassDefFoundError: com/google/common/base/Preconditions
I can't seem to nail down what I've done wrong here, guava is included in the dependencies for gradle and the jar file appears to build fine otherwise (it only crashes when it gets to the first class that depends on guava). Any assistance appreciated.
If it helps I'm doing this from IntelliJ.
I solved my problem using the solution at https://discuss.gradle.org/t/how-to-include-dependencies-in-jar/19571
My build.gradle now looks like
apply plugin: 'java'
sourceCompatibility = 1.8
repositories {
mavenCentral()
}
configurations {
// configuration that holds jars to include in the jar
extraLibs
}
dependencies {
compile 'com.google.guava:guava:23.6-jre';
extraLibs group: 'com.google.guava', name: 'guava', version: '23.6-jre'
testCompile group: 'junit', name: 'junit', version: '4.12'
configurations.compile.extendsFrom(configurations.extraLibs)
}
jar {
manifest {
attributes 'Main-Class': 'Runner.ClientRunner'
}
from {
configurations.extraLibs.collect { it.isDirectory() ? it : zipTree(it) }
}
}

NoClassDefFoundError on Spring application

Full error is in this image as I am running on virtual machine in cloud which is access via video feed so I cannot copy and paste.This is a fresh install of ubuntu where I have only installed JDK and nothing else so unaware if other setup needs to be done
https://imgur.com/a/egJ3d
It is a spring boot application.
My build.gradle
group 'com.haughon.daniel'
version '1.0-SNAPSHOT'
buildscript {
repositories{
mavenCentral()
}
dependencies {
classpath 'org.springframework.boot:spring-boot-gradle-plugin:1.5.2.RELEASE'
}
}
// Apply the Spring Boot plugin
apply plugin: 'spring-boot'
// Apply the Java plugin (expects src/main/java to be source folder)
apply plugin: 'java'
apply plugin: 'idea'
// Specify the location where our dependencies will be found
repositories {
mavenCentral()
}
jar {
manifest {
attributes 'Main-Class': 'haughton.dvdstore.Application'
attributes 'addClasspath': 'true'
}
}
// Specify dependencies
dependencies {
compile 'org.hashids:hashids:1.0.1'
compile 'org.springframework.boot:spring-boot-starter-thymeleaf'
compile 'org.springframework:spring-orm:4.3.7.RELEASE'
compile 'org.hibernate:hibernate-core:5.2.9.Final'
compile 'org.hibernate:hibernate-entitymanager:5.0.6.Final'
compile 'org.apache.tomcat:tomcat-dbcp:8.0.30'
compile 'org.springframework.boot:spring-boot-starter-security'
compile('org.thymeleaf.extras:thymeleaf-extras-springsecurity4')
//compile 'org.thymeleaf.extras:thymeleaf-extras-springsecurity:3.0.2.RELEASE'
compile group: 'org.springframework.data', name: 'spring-data-jpa', version: '1.11.1.RELEASE'
// https://mvnrepository.com/artifact/com.google.code.gson/gson
compile group: 'com.google.code.gson', name: 'gson', version: '2.8.0'
// https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-core
compile group: 'com.fasterxml.jackson.core', name: 'jackson-core', version: '2.8.8'
runtime 'com.h2database:h2'
runtime 'javax.transaction:jta:1.1'
runtime 'org.aspectj:aspectjweaver:1.8.7'
testCompile 'org.springframework.boot:spring-boot-starter-test'
}
This is because your dependencies are not included in one jar file.
use ./gradlew clean build
please see this post:
java.lang.NoClassDefFoundError: when trying to run jar

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