mvn compile throws errors

Question

mvn compile throws errors

Closed this issue 7 years ago · 34 comments

Hello,

I'm working on this guide, but when I run mvn compile I get the following error:

[ERROR] Source option 1.5 is no longer supported. Use 1.6 or later.
[ERROR] Target option 1.5 is no longer supported. Use 1.6 or later.

I'm on OS X. mvn -v shows:

Maven home: /Users/matthuntington/Desktop/apache-maven-3.5.0
Java version: 9, vendor: Oracle Corporation
Java home: /Library/Java/JavaVirtualMachines/jdk-9.jdk/Contents/Home
Default locale: en_US, platform encoding: UTF-8
OS name: "mac os x", version: "10.12.6", arch: "x86_64", family: "mac"

echo $JAVA_HOME shows:

/Library/Java/JavaVirtualMachines/jdk-9.jdk/Contents/Home

echo $PATH shows:

/Users/matthuntington/Desktop/apache-maven-3.5.0/bin/:/Users/matthuntington/.rbenv/bin:/Users/matthuntington/.rbenv/shims:/Users/matthuntington/anaconda/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin

any suggestions? Thanks!

Answer 1 · 2017-10-17T00:13:43.000Z

Solution: I added

<properties>
    <maven.compiler.source>1.6</maven.compiler.source>
    <maven.compiler.target>1.6</maven.compiler.target>
  </properties>

inside the project tag in pom.xml

Answer 2 · 2018-01-08T04:38:18.000Z

Can you explain the reason of the error? I also get the same error.

Why does your solution solve the problem?

Thanks.

Answer 3 · 2018-01-08T05:01:15.000Z

I think the latest version of maven doesn’t support 1.5 anymore. You have to explicitly tell it which version to compile to. Not entirely sure, though.

Answer 4 · 2018-02-12T05:29:57.000Z

mahuntington great solution . Just add in pom

<properties>
<maven.compiler.source>1.6</maven.compiler.source>
<maven.compiler.target>1.6</maven.compiler.target>
 </properties>

and it will compile

Answer 5 · 2018-02-16T07:01:16.000Z

worked for me.
thanks

Answer 6 · 2018-03-14T15:40:17.000Z

1.6 1.6 It is actually working but you have to be careful where to add it. You need to ad it inside the Properties without tags (open-close)

Answer 7 · 2018-04-04T16:09:48.000Z

Resolved via c2bf553

Answer 8 · 2018-05-15T04:13:17.000Z

@strzelaczinho worked, thank you for an easy solution

Answer 9 · 2018-07-07T19:16:41.000Z

Worked for me. thanks, Matt Huntington for an easy solution.

Answer 10 · 2018-07-09T13:57:43.000Z

@mahuntington thanks it works for me.

Answer 11 · 2018-07-18T04:26:27.000Z

A lot of things to think for a person who is beginning to use maven.
Thank you @mahuntington .

Answer 12 · 2018-07-28T05:33:41.000Z

Worked like a charm. The error message that i got though is updated in 2018 :)
Source option 5 is no longer supported. Use 6 or later.
I wonder why someone doesn't just make it switch to 1.6 on it's own when 1.5 was hard wired into it.

Answer 13 · 2018-08-01T23:36:09.000Z

Use JavaServlet 3.0-alpha-1
https://mvnrepository.com/artifact/javax.servlet/servlet-api/3.0-alpha-1

<!-- https://mvnrepository.com/artifact/javax.servlet/servlet-api -->
<dependency>
    <groupId>javax.servlet</groupId>
    <artifactId>servlet-api</artifactId>
    <version>3.0-alpha-1</version>
    <scope>provided</scope>
</dependency>

Answer 14 · 2018-08-02T05:27:08.000Z

has to be added after the name tag

Answer 15 · 2018-09-08T15:42:04.000Z

Many thanks @mahuntington !!!

Answer 16 · 2018-10-01T05:28:35.000Z

Solution from @mahuntington resolved it.

Answer 17 · 2018-10-03T14:46:48.000Z

One thing everyone missed to explain for the newbies:
When the error states that "version 5 or 1.5" isn't supported, it's saying that Maven is trying to compile the java code using the JDK (java developer kit) version 1.5, ans it's not supported.

Answer 18 · 2018-10-26T09:35:14.000Z

Thanks. Yeah, I'm glad I read on to see your comment. The error message makes a lot more sense now. I thought version 5 or 1.5 had something to do with Maven. I didn't realize it was talking about which version of Java the project was being compiled to.

Answer 19 · 2018-11-09T14:37:27.000Z

//
<maven.compiler.source>1.6</maven.compiler.source>
<maven.compiler.target>1.6</maven.compiler.target>
//

Worked for me!

Answer 20 · 2019-01-08T16:54:18.000Z

Worked like a charm. The error message that i got though is updated in 2018 :)
Source option 5 is no longer supported. Use 6 or later.
I wonder why someone doesn't just make it switch to 1.6 on it's own when 1.5 was hard wired into it.

Because this would change the behaviour silently which would be less obvious a problem.

Answer 21 · 2019-02-14T13:50:06.000Z

worked for me. Thanks for the solution.

Answer 22 · 2019-05-04T20:41:08.000Z

I'm new to maven, but am I missing something, or is this solution to modify each individual maven project POM.XML file?
Please tell me that there is there somewhere a central XML file that we're editing to solve this problem for all projects going forward?

Answer 23 · 2019-05-08T09:41:40.000Z

Hello, I've got the same error and the solution worked.
Thank you very much.

Answer 24 · 2019-06-29T04:09:31.000Z

<properties>
  <maven.compiler.source>1.8</maven.compiler.source>
  <maven.compiler.target>1.8</maven.compiler.target>
  <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>

Answer 25 · 2019-07-07T00:55:55.000Z

I had a similar problem:
source option 6 is no longer supported use 7 or later
target option 6 is no longer supported use 7 or later

this snippet solved it for me
<properties> <maven.compiler.source>1.8</maven.compiler.source <maven.compiler.target>1.8</maven.compiler.target> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> </properties>

add it in the pom.xml, properties section
Ctrl+S and voila!

Answer 26 · 2019-09-11T16:57:52.000Z

It's working for me too, thank you

Answer 27 · 2019-09-15T23:11:27.000Z

<maven.compiler.source>6</maven.compiler.source>
<maven.compiler.target>6</maven.compiler.target>

4.0.0

<groupId>com.list</groupId>
<artifactId>toDoList</artifactId>
<version>1.0-SNAPSHOT</version>

My project code looks like this and I am still getting:
Error:java: Source option 5 is no longer supported. Use 6 or later. (earlier someone said option 5 meant option 1.5)

Answer 28 · 2019-09-24T18:26:11.000Z

Can you explain the reason of the error? I also get the same error.

Why does your solution solve the problem?

Thanks.

The reason for the error: maven compiler is a plugin inside the maven system. In the compile life cycle phase, maven takes the java version as configured in maven compiler plugin in the pom. When we have not specified the compiler plugin in the pom it takes the default compiler plugin which comes with maven versions. (eg: maven 2 comes with compiler version 1.4) If we want to use the latest java version at compile time need to provide it as follows

1.8 1.8

https://maven.apache.org/plugins/maven-compiler-plugin/

Answer 29 · 2019-09-24T21:44:07.000Z

I believe I resolved this myself, it was unrelated to the posted solution but more on my end. Thanks for following up though!

…

On Tue, Sep 24, 2019 at 2:26 PM Manori Priyadarshani < ***@***.***> wrote: Can you explain the reason of the error? I also get the same error. Why does your solution solve the problem? Thanks. The reason for the error: maven compiler is a plugin inside the maven system. In the compile life cycle phase, maven takes the java version as configured in maven compiler plugin in the pom. When we have not specified the compiler plugin in the pom it takes the default compiler plugin which comes with maven versions. (eg: maven 2 comes with compiler version 1.4) If we want to use the latest java version at compile time need to provide it as follows 1.8 1.8 — You are receiving this because you commented. Reply to this email directly, view it on GitHub <#21>, or mute the thread <https://github.com/notifications/unsubscribe-auth/ALD7SXZLTCAWVNARDUWQ6R3QLJLUPANCNFSM4D7HU2IQ> .

Answer 30 · 2019-11-14T04:56:33.000Z

Use JavaServlet 3.0-alpha-1
https://mvnrepository.com/artifact/javax.servlet/servlet-api/3.0-alpha-1

<!-- https://mvnrepository.com/artifact/javax.servlet/servlet-api -->
<dependency>
    <groupId>javax.servlet</groupId>
    <artifactId>servlet-api</artifactId>
    <version>3.0-alpha-1</version>
    <scope>provided</scope>
</dependency>

Worked for "Source option 5 is no longer supported. Use 6 or later" when using InteliJ for Cucumber test automation

Answer 31 · 2019-11-24T11:01:13.000Z

I had this problem and didn't need to add anything to pom.xml. Just make sure that IDE compiler is set to appropriate version. Also check in project preferences that language level and SDK are set to appropriate version.

Answer 32 · 2020-01-23T15:01:39.000Z

Solution: I added

<properties>
    <maven.compiler.source>1.6</maven.compiler.source>
    <maven.compiler.target>1.6</maven.compiler.target>
  </properties>

inside the project tag in pom.xml

@mahuntington
Works for me.
Thanks a lot!

Answer 33 · 2020-04-15T06:57:45.000Z

@mahuntington Thanks for solution

Answer 34 · 2020-06-06T16:11:11.000Z

Solution: I added

<properties>
    <maven.compiler.source>1.6</maven.compiler.source>
    <maven.compiler.target>1.6</maven.compiler.target>
  </properties>

inside the project tag in pom.xml

Worked!
Thanks