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How to resolve "scanned from multiple locations" warnings caused by jersey

I have a Google App Engine project that I'm building with maven. I added jax-rs to it by adding the following bom to my pom:
<dependencyManagement>
<dependencies>
<dependency>
<groupId>com.google.cloud</groupId>
<artifactId>google-cloud-bom</artifactId>
<version>0.73.0-alpha</version>
<type>pom</type>
<scope>import</scope>
</dependency>
<dependency>
<groupId>org.glassfish.jersey</groupId>
<artifactId>jersey-bom</artifactId>
<version>2.27</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
Also I needed these three dependencies:
<dependency>
<groupId>org.glassfish.jersey.containers</groupId>
<artifactId>jersey-container-servlet</artifactId>
<exclusions>
<exclusion><!-- Exclude this repackaged javax.inject. -->
<groupId>org.glassfish.hk2.external</groupId>
<artifactId>javax.inject</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.glassfish.jersey.inject</groupId>
<artifactId>jersey-hk2</artifactId>
<exclusions>
<exclusion><!-- Exclude this repackaged javax.inject. -->
<groupId>org.glassfish.hk2.external</groupId>
<artifactId>javax.inject</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.glassfish.jersey.media</groupId>
<artifactId>jersey-media-json-binding</artifactId>
</dependency>
As you can see I have excluded some of the repackaged to get rid of some runtime warnings about duplicate classes being found. To be clear, every rest call using the jax-rs api's works fine and I don't see the warnings on google app engine itself, just locally. (full code at https://github.com/Leejjon/blindpool) When running it on the local jetty runtime using 'mvn appengine:run', it still complains about every json related class in the javax.json-1.1.jar and javax.json-api-1.1.jar.
Example
[INFO] GCLOUD: 2018-12-11 22:01:13.495:WARN:oeja.AnnotationParser:main: Unknown asm implementation version, assuming version 393216
[INFO] GCLOUD: 2018-12-11 22:01:13.780:WARN:oeja.AnnotationParser:qtp551734240-15: javax.json.Json scanned from multiple locations: jar:file:///C:/Users/Leejjon/IdeaProjects/Blindpool/backend/target/blindpool-1.0-SNAPSHOT/WEB-INF/lib/javax.json-api-1.1.jar!/javax/json/Json.class, jar:file:///C:/Users/Leejjon/IdeaProjects/Blindpool/backend/target/blindpool-1.0-SNAPSHOT/WEB-INF/lib/javax.json-1.1.jar!/javax/json/Json.class
When I look at my 'mvn dependency:tree' output I can see that my 'jersey-media-json-binding' dependency has both javax.json-1.1 and javax.json-api-1.1 in it. And they have classes that have the same names.
[INFO] +- org.glassfish.jersey.media:jersey-media-json-binding:jar:2.27:compile
[INFO] | +- org.glassfish:javax.json:jar:1.1:compile
[INFO] | +- org.eclipse:yasson:jar:1.0:compile
[INFO] | | +- javax.json:javax.json-api:jar:1.1:compile
[INFO] | | \- javax.enterprise:cdi-api:jar:2.0:compile
[INFO] | | +- javax.el:javax.el-api:jar:3.0.0:compile
[INFO] | | \- javax.interceptor:javax.interceptor-api:jar:1.2:compile
[INFO] | \- javax.json.bind:javax.json.bind-api:jar:1.0:compile
Full dependency tree (https://pastebin.com/JfwzavDX).
I have tried to exclude them but failed to do so in a way that didn't cause me to actually break my web app and get errors like: javax.servlet.ServletException: org.glassfish.jersey.server.ContainerException: java.lang.ExceptionInInitializerError
TLDR: What dependency to I exclude here to get rid of the duplicate location warning thrown by the 'mvn appengine:run' command without breaking the jax-rs application.
Hoping for that jax-rs/maven/jetty/jersey/google app engine god to pass by and point me in the right direction :)

Dependency error with Selenium 3.3.1 and FirefoxDriver

I use geckodriver v0.15.0 (Latest release) and Firefox 52.0.1 (64 bits)
Here is my code :
public static void main(String[] args) {
WebDriver driver = new FirefoxDriver();
driver.get("http://www.google.com");
System.out.println("Page title is: " + driver.getTitle());
driver.quit();
}
Here is the dependencies for Selenium in my pom (latest version of Selenium) :
<dependency>
<groupId>org.seleniumhq.selenium</groupId>
<artifactId>selenium-firefox-driver</artifactId>
<version>3.3.1</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.seleniumhq.selenium</groupId>
<artifactId>selenium-support</artifactId>
<version>3.3.1</version>
<scope>test</scope>
</dependency>
And the exception at runtime :
Exception in thread "main" java.lang.NoSuchMethodError: org.openqa.selenium.net.PortProber.waitForPortUp(IILjava/util/concurrent/TimeUnit;)V
at org.openqa.selenium.firefox.GeckoDriverService.waitUntilAvailable(GeckoDriverService.java:73)
at org.openqa.selenium.remote.service.DriverService.start(DriverService.java:166)
at org.openqa.selenium.remote.service.DriverCommandExecutor.execute(DriverCommandExecutor.java:78)
at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:644)
at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:249)
at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:131)
at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:218)
If I add this dependency :
<dependency>
<groupId>org.seleniumhq.selenium</groupId>
<artifactId>selenium-remote-driver</artifactId>
<version>3.3.1</version>
</dependency>
I have got another exception :
Exception in thread "main" java.lang.NoClassDefFoundError: org/openqa/selenium/interactions/Interactive
What dependency is missing? Thank you.
UPDATE
mvn dependency:tree with htmlunit-driver 2.25, selenium-remote-driver 3.3.1, selenium-firefox-driver 3.3.1, selenium-support 3.3.1
[INFO] +- org.seleniumhq.selenium:htmlunit-driver:jar:2.25:compile
[INFO] | +- org.seleniumhq.selenium:selenium-api:jar:2.53.1:compile
[INFO] | \- net.sourceforge.htmlunit:htmlunit:jar:2.21:compile
[INFO] | +- xalan:xalan:jar:2.7.2:compile
[INFO] | | \- xalan:serializer:jar:2.7.2:compile
[INFO] | +- org.apache.commons:commons-lang3:jar:3.4:compile
[INFO] | +- org.apache.httpcomponents:httpmime:jar:4.5.2:compile
[INFO] | +- net.sourceforge.htmlunit:htmlunit-core-js:jar:2.17:compile
[INFO] | +- net.sourceforge.htmlunit:neko-htmlunit:jar:2.21:compile
[INFO] | | \- xerces:xercesImpl:jar:2.11.0:compile
[INFO] | | \- xml-apis:xml-apis:jar:1.4.01:compile
[INFO] | +- net.sourceforge.cssparser:cssparser:jar:0.9.18:compile
[INFO] | | \- org.w3c.css:sac:jar:1.3:compile
[INFO] | +- commons-io:commons-io:jar:2.4:compile
[INFO] | \- org.eclipse.jetty.websocket:websocket-client:jar:9.4.1.v20170120:compile
[INFO] | +- org.eclipse.jetty:jetty-util:jar:9.4.1.v20170120:compile
[INFO] | +- org.eclipse.jetty:jetty-io:jar:9.4.1.v20170120:compile
[INFO] | +- org.eclipse.jetty:jetty-client:jar:9.4.1.v20170120:compile
[INFO] | | \- org.eclipse.jetty:jetty-http:jar:9.4.1.v20170120:compile
[INFO] | \- org.eclipse.jetty.websocket:websocket-common:jar:9.4.1.v20170120:compile
[INFO] | \- org.eclipse.jetty.websocket:websocket-api:jar:9.4.1.v20170120:compile
[INFO] +- org.seleniumhq.selenium:selenium-remote-driver:jar:3.3.1:compile
[INFO] | +- cglib:cglib-nodep:jar:3.2.4:compile
[INFO] | +- org.apache.commons:commons-exec:jar:1.3:compile
[INFO] | \- net.java.dev.jna:jna-platform:jar:4.1.0:compile
[INFO] | \- net.java.dev.jna:jna:jar:4.2.2:compile
[INFO] +- org.seleniumhq.selenium:selenium-firefox-driver:jar:3.3.1:compile
[INFO] \- org.seleniumhq.selenium:selenium-support:jar:3.3.1:compile
Update 2
OS: Linux 64 bits

Here is the required dependencies (I cleaned the .m2 directory too) :
<dependency>
<groupId>com.google.code.gson</groupId>
<artifactId>gson</artifactId>
<version>2.8.0</version>
</dependency>
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>4.5.3</version>
</dependency>
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpcore</artifactId>
<version>4.4.6</version>
</dependency>
<dependency>
<groupId>org.seleniumhq.selenium</groupId>
<artifactId>selenium-remote-driver</artifactId>
<version>3.3.1</version>
</dependency>
<dependency>
<groupId>org.seleniumhq.selenium</groupId>
<artifactId>selenium-api</artifactId>
<version>3.3.1</version>
</dependency>
<dependency>
<groupId>org.seleniumhq.selenium</groupId>
<artifactId>selenium-firefox-driver</artifactId>
<version>3.3.1</version>
</dependency>

Maybe you have jar versions conflict error. When I had that bug in my application, I found that it was referring the old Selenium jar. To resolve this, I removed the old jar's and rebuild the project with Selenium 3 jars.
Ensure that you have right libraries added to your project.
the command mvn dependency:tree can help you with this.
Note: when you use the test scope it's mean the the dependency is only available for the test compilation and execution phases, So you must put your code in a Test method or remove the scope tag
Hope this helps.

check if you have the selenium-java dependency of the same version as your other dependencies
<!-- https://mvnrepository.com/artifact/org.seleniumhq.selenium/selenium-java -->
<dependency>
<groupId>org.seleniumhq.selenium</groupId>
<artifactId>selenium-java</artifactId>
<version>3.3.1</version>
</dependency>

Add System.setProperty("webdriver.gecko.driver", System.getProperty("user.dir")+"\\geckodriver.exe"); to your code.
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.firefox.FirefoxDriver;
public class CheckFireFox {
public static void main(String[] args) {
System.setProperty("webdriver.gecko.driver", System.getProperty("user.dir")+"\\geckodriver.exe");
WebDriver driver = new FirefoxDriver();
driver.get("http://www.google.com");
System.out.println("Page title is: " + driver.getTitle());
driver.quit();
}
}
pom.xml
<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>StackOverFlow</groupId>
<artifactId>StackOverFlow</artifactId>
<version>0.0.1-SNAPSHOT</version>
<build>
<sourceDirectory>src</sourceDirectory>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.5.1</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>org.seleniumhq.selenium</groupId>
<artifactId>selenium-java</artifactId>
<version>3.3.1</version>
</dependency>
</dependencies>
</project>
Console output :
Mar 27, 2017 2:39:01 PM org.openqa.selenium.remote.ProtocolHandshake createSession
INFO: Detected dialect: W3C
Page title is: Google

Update the selenium version
Download the geckodriver and set system path eg "F:\geckodriver-v0.20.1-win64"
Add following code snippet to your existing code
DesiredCapabilities capabilities = DesiredCapabilities.firefox();
capabilities.setCapability("marionette", true);
Now run the script and it will work for you, hope this helps.

Why are my nested maven dependencies not showing up when compiling

I have a library named my-library which I packaged with Maven and stored on a private Nexus repository. It compiles and gets uploaded to my repo correctly and has the following dependencies specified in its pom.xml file:
<dependencies>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>jcl-over-slf4j</artifactId>
<version>1.7.13</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>com.google.protobuf</groupId>
<artifactId>protobuf-java</artifactId>
<version>3.1.0</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
</dependencies>
I am including this dependency in another project, my-child-project, using the following pom.xml blocks:
<repositories>
<repository>
<id>MyRepo</id>
<name>My Maven Repository</name>
<url>http://localhost:8081/nexus/repo</url>
</repository>
</repositories>
...
<dependencies>
<dependency>
<groupId>com.my.group</groupId>
<artifactId>my-library</artifactId>
<scope>compile</scope>
<version>1.0.0</version>
</dependency>
</dependencies>
When i run mvn clean install in my-child-project, it appears that maven is able to find and download my-library but not the nested dependency on com.google.protobuf unless i include it explicitly in the pom.xml for my-child-project. I can confirm that Maven can see my dependency but not the nested one when running mvn dependency:tree:
...
[INFO] +- org.springframework.data:spring-data-redis:jar:1.7.1.RELEASE:compile
[INFO] | +- org.springframework.data:spring-data-keyvalue:jar:1.1.1.RELEASE:compile
[INFO] | \- org.springframework:spring-oxm:jar:4.2.5.RELEASE:compile
[INFO] +- redis.clients:jedis:jar:2.8.1:compile
[INFO] +- javax.servlet:javax.servlet-api:jar:3.1.0:provided
[INFO] +- com.my.group:my-library:jar:1.0.0:compile
[INFO] +- com.fasterxml.jackson.core:jackson-annotations:jar:2.4.4:compile
...
Is this how a nested library dependency is supposed to work? I thought nested dependencies in other dependencies are automatically resolved and downloaded by Maven in compile scope. I was hoping to only list the nested dependency in my-library and not in my-child-project but it seems that doesn't work.

First, the parent pom.xml should add dependencyManagement tag outside the dependencies tag. This is just to manage the modules dependencies in one place, but not actually import them into your project.
You still have to declare it in your child module's pom. (But you can leave out the version tag, as that will be inherited from the parent pom)

#herokingsley's answer got me to the correct configuration. I was hesitating to try it because the answer seemed to suggest that i need to redeclare the nested dependency in my child. When i finally did try it i purposely did not declare the nested dependency in my-child-project and it still worked like a charm. Here is the code that solved my problem. I changed the code in my-library to the following:
<dependencyManagement>
<dependencies>
<dependency>
<groupId>com.google.protobuf</groupId>
<artifactId>protobuf-java</artifactId>
<version>3.1.0</version>
<scope>compile</scope>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>jcl-over-slf4j</artifactId>
<version>1.7.13</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>com.google.protobuf</groupId>
<artifactId>protobuf-java</artifactId>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
</dependencies>
The above change was enough as it resulted in the following output when running mvn dependency:tree:
...
[INFO] +- org.springframework.data:spring-data-redis:jar:1.7.1.RELEASE:compile
[INFO] | +- org.springframework.data:spring-data-keyvalue:jar:1.1.1.RELEASE:compile
[INFO] | \- org.springframework:spring-oxm:jar:4.2.5.RELEASE:compile
[INFO] +- redis.clients:jedis:jar:2.8.1:compile
[INFO] +- javax.servlet:javax.servlet-api:jar:3.1.0:provided
[INFO] +- com.my.group:my-library:jar:1.0.0:compile
[INFO] | \- com.google.protobuf:protobuf-java:jar:3.1.0:compile
[INFO] +- com.fasterxml.jackson.core:jackson-annotations:jar:2.4.4:compile
...

jersey-client version mismatch in Spring Boot

For creating a REST Client am using the below dependency in Spring Boot:
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jersey</artifactId>
</dependency>
Which in turn downloads the jersey-client-2.23.1.jar.
My code for request builder is as below:
Client client = ClientBuilder.newClient();
WebTarget targetUrl = client.target("Some URL").path(userid)
.path("Some String");
Builder requestBuilder = targetUrl.request(MediaType.APPLICATION_JSON);
JsonParser parser = new JsonParser();
JsonArray objArray = (JsonArray) parser.parse(requestBuilder.get(String.class));
However I am getting the below exception in line number 3 of the above code:
java.lang.NoSuchMethodError: javax.ws.rs.core.MultivaluedMap.addAll(Ljava/lang/Object;[Ljava/lang/Object;)V
at org.glassfish.jersey.client.ClientRequest.accept(ClientRequest.java:336) ~[jersey-client-2.23.1.jar:na]
at org.glassfish.jersey.client.JerseyWebTarget.request(JerseyWebTarget.java:221) ~[jersey-client-2.23.1.jar:na]
at org.glassfish.jersey.client.JerseyWebTarget.request(JerseyWebTarget.java:59) ~[jersey-client-2.23.1.jar:na]
I saw few solution that it is due to version mismatch. So, I tried to added a lower version dependency:
<dependency>
<groupId>com.sun.jersey</groupId>
<artifactId>jersey-client</artifactId>
<version>1.19.2</version>
</dependency>
But spring boot is not considering this version of jersey-client. Is there any way out so that I can solve the issue?
EDIT 1:
As mentioned in the first answer I used mvn dependency:tree and found 2 different version of jersey client available. One is compile time and one is run time:
[INFO] +- org.springframework.boot:spring-boot-starter-jersey:jar:1.4.0.RELEASE:compile
[INFO] | +- org.glassfish.jersey.core:jersey-server:jar:2.23.1:compile
[INFO] | | +- org.glassfish.jersey.core:jersey-common:jar:2.23.1:compile
[INFO] | | | +- org.glassfish.jersey.bundles.repackaged:jersey-guava:jar:2.23.1:compile
[INFO] | | | \- org.glassfish.hk2:osgi-resource-locator:jar:1.0.1:compile
[INFO] | | +- org.glassfish.jersey.core:jersey-client:jar:2.23.1:compile
and
[INFO] +- some.project.specific:jar:1.1.5.RELEASE:compile
[INFO] | +- some.project.specific:jar:1.4.10:compile
[INFO] | | +- com.sun.jersey:jersey-client:jar:1.19.1:runtime
I tried to exclude version 2.23.1 as below. Still it is including the jar.
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jersey</artifactId>
<exclusions>
<exclusion>
<groupId>org.glassfish.jersey.core</groupId>
<artifactId>jersey-client-2.23.1</artifactId>
</exclusion>
</exclusions>
</dependency>

Check other dependencies on your project, try running mvn dependency:tree. Probably you have some other dependency to jersey 1.XX version, you should exclude it to keep just the 2.23.1.

Issue with Maven war Plugin

I am using maven to package my war file. I have some dependencies with provided as scope. When i do a maven clean install, the war is created successfully, but the transitive dependencies of the jars with scope as provided are included in my lib directory. Is there any way to remove them ?
Example scenario: Below is one of my dependency in pom
<dependency>
<groupId>org.jboss.resteasy</groupId>
<artifactId>resteasy-jaxrs</artifactId>
<version>${resteasy.version}</version>
<scope>provided</scope>
</dependency>
this one is including the jar activation-1.1.jar. Also the dependency tree for resteasy-jaxrs is like below.
[INFO] +- org.jboss.resteasy:resteasy-jaxrs:jar:2.3.6.Final:provided
[INFO] | +- org.jboss.resteasy:jaxrs-api:jar:2.3.6.Final:provided
[INFO] | +- javax.annotation:jsr250-api:jar:1.0:compile
[INFO] | +- javax.activation:activation:jar:1.1:compile
[INFO] | +- org.apache.httpcomponents:httpclient:jar:4.1.2:provided
[INFO] | | \- org.apache.httpcomponents:httpcore:jar:4.1.2:provided
[INFO] | \- net.jcip:jcip-annotations:jar:1.0:compile

The easiest way is to create a <dependencyManagement> tag and put the sub-dependency inside and set the scope to provided:
<dependencyManagement>
<dependencies>
<dependency>
<groupId>javax.annotation</groupId>
<artifactId>jsr250-api</artifactId>
<version>1.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.activation</groupId>
<artifactId>activation</artifactId>
<version>1.1</version>
<scope>provided</scope>
</dependency>
</dependencies>
</dependencyManagement>
That way the scope of your transitive-dependency is overwritten:
[INFO] | +- javax.annotation:jsr250-api:jar:1.0:provided (scope managed from compile)
[INFO] | +- javax.activation:activation:jar:1.1:provided (scope managed from compile)
Be sure to do a Maven-> Update Project and check the Force Update checkbox before checking the dependency:tree.

The above mentioned solution is not possible in case i have so many transitive dependencies coming in my lib. Finally got the maven exclusion which is working fine.
<dependency>
<groupId>org.jboss.resteasy</groupId>
<artifactId>resteasy-jaxrs</artifactId>
<version>${resteasy.version}</version>
<scope>provided</scope>
<exclusions>
<exclusion>
<artifactId>*</artifactId>
<groupId>*</groupId>
</exclusion>
</exclusions>
</dependency>