How get rt.jar dependencies in java 11?

We are planning to migrate our project from java 8(currently running on tomcat 7) to java 11, since rt.jar file is no longer available,
and tomcat startup needs classes from sun.misc package for instance,sun.misc.GC. Also, our application uses javax.xml.ws.WebServiceFeature.
we are getting no java.lang.NoClassDefFoundError and application fails to launch.
How to get this dependencies resolved in java 11?

edited Nov 23 '18 at 7:47

Shreya Prajapati

8411

asked Nov 23 '18 at 5:59

Anoop Deshpande

244

5

You should not need to. All non-internal rt.jar dependencies should be available in the Java 11 JDK. And since there isn't a separate JRE anymore .... you either use a JDK or use jlink to create a custom distro.
– Stephen C
Nov 23 '18 at 6:06

4

If you are depending on internal APIs, you need to find replacements on a case-by-case basis.
– Stephen C
Nov 23 '18 at 6:07

4

too broad to say have some dependencies... got any specific use case to use rt.jar exclusively? you should share that then so as to clarify why does the existing JDK not solve your use case.
– nullpointer
Nov 23 '18 at 6:07

2

I assume you just need to upgrade tom Tomcat 9. For JAX-WS then it just means moving to the standalone download, which you can find on Maven.
– Alan Bateman
Nov 23 '18 at 7:58

add a comment |

edited Nov 23 '18 at 7:47

Shreya Prajapati

8411

asked Nov 23 '18 at 5:59

Anoop Deshpande

244

5

You should not need to. All non-internal rt.jar dependencies should be available in the Java 11 JDK. And since there isn't a separate JRE anymore .... you either use a JDK or use jlink to create a custom distro.
– Stephen C
Nov 23 '18 at 6:06

4

If you are depending on internal APIs, you need to find replacements on a case-by-case basis.
– Stephen C
Nov 23 '18 at 6:07

4

too broad to say have some dependencies... got any specific use case to use rt.jar exclusively? you should share that then so as to clarify why does the existing JDK not solve your use case.
– nullpointer
Nov 23 '18 at 6:07

2

I assume you just need to upgrade tom Tomcat 9. For JAX-WS then it just means moving to the standalone download, which you can find on Maven.
– Alan Bateman
Nov 23 '18 at 7:58

add a comment |

edited Nov 23 '18 at 7:47

Shreya Prajapati

8411

asked Nov 23 '18 at 5:59

Anoop Deshpande

244

java java-8 java-11 rt.jar

edited Nov 23 '18 at 7:47

Shreya Prajapati

8411

asked Nov 23 '18 at 5:59

Anoop Deshpande

244

edited Nov 23 '18 at 7:47

Shreya Prajapati

8411

asked Nov 23 '18 at 5:59

Anoop Deshpande

244

edited Nov 23 '18 at 7:47

Shreya Prajapati

8411

edited Nov 23 '18 at 7:47

Shreya Prajapati

8411

edited Nov 23 '18 at 7:47

Shreya Prajapati

8411

asked Nov 23 '18 at 5:59

Anoop Deshpande

244

asked Nov 23 '18 at 5:59

Anoop Deshpande

244

asked Nov 23 '18 at 5:59

Anoop Deshpande

244

5

You should not need to. All non-internal rt.jar dependencies should be available in the Java 11 JDK. And since there isn't a separate JRE anymore .... you either use a JDK or use jlink to create a custom distro.
– Stephen C
Nov 23 '18 at 6:06

4

If you are depending on internal APIs, you need to find replacements on a case-by-case basis.
– Stephen C
Nov 23 '18 at 6:07

4

too broad to say have some dependencies... got any specific use case to use rt.jar exclusively? you should share that then so as to clarify why does the existing JDK not solve your use case.
– nullpointer
Nov 23 '18 at 6:07

2

I assume you just need to upgrade tom Tomcat 9. For JAX-WS then it just means moving to the standalone download, which you can find on Maven.
– Alan Bateman
Nov 23 '18 at 7:58

add a comment |

5

You should not need to. All non-internal rt.jar dependencies should be available in the Java 11 JDK. And since there isn't a separate JRE anymore .... you either use a JDK or use jlink to create a custom distro.
– Stephen C
Nov 23 '18 at 6:06

4

If you are depending on internal APIs, you need to find replacements on a case-by-case basis.
– Stephen C
Nov 23 '18 at 6:07

4

too broad to say have some dependencies... got any specific use case to use rt.jar exclusively? you should share that then so as to clarify why does the existing JDK not solve your use case.
– nullpointer
Nov 23 '18 at 6:07

2

I assume you just need to upgrade tom Tomcat 9. For JAX-WS then it just means moving to the standalone download, which you can find on Maven.
– Alan Bateman
Nov 23 '18 at 7:58

You should not need to. All non-internal rt.jar dependencies should be available in the Java 11 JDK. And since there isn't a separate JRE anymore .... you either use a JDK or use jlink to create a custom distro.
– Stephen C
Nov 23 '18 at 6:06

If you are depending on internal APIs, you need to find replacements on a case-by-case basis.
– Stephen C
Nov 23 '18 at 6:07

too broad to say have some dependencies... got any specific use case to use rt.jar exclusively? you should share that then so as to clarify why does the existing JDK not solve your use case.
– nullpointer
Nov 23 '18 at 6:07

I assume you just need to upgrade tom Tomcat 9. For JAX-WS then it just means moving to the standalone download, which you can find on Maven.
– Alan Bateman
Nov 23 '18 at 7:58

add a comment |

1 Answer
1

active

oldest

votes

Tomcat 7 won't work with Java 11. You need to upgrade your application server to a newer version.

As the Tomcat team hasn't listed Java 11 compatibility for their products, your best bet is to take the latest release version and see if it works (hint, I did that last month and 9.0.12 works).

After that, you also need to see if your own application works under JDK 11, and whether it compiles.

Any errors you get, you need to find alternatives, often the same APIs are already available as Maven packages in the central repository.

edited Nov 24 '18 at 16:04

Robert

24.5k1160104

answered Nov 23 '18 at 8:25

jwenting

3,60711525

It's frustrating that the compatibility grid in the Tomcat documentation is misleading with regard to Java. From looking at that you would reasonably assume that Tomcat 7 does work with Java 11 since the "Supported Java Versions" are shown as "6 and later".
– skomisa
Nov 25 '18 at 9:34

@skomisa It's not so much misleading as not updated for quite some time now.
– jwenting
Nov 25 '18 at 10:36

add a comment |

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1 Answer
1

active

oldest

votes

1 Answer
1

active

oldest

votes

Tomcat 7 won't work with Java 11. You need to upgrade your application server to a newer version.

As the Tomcat team hasn't listed Java 11 compatibility for their products, your best bet is to take the latest release version and see if it works (hint, I did that last month and 9.0.12 works).

After that, you also need to see if your own application works under JDK 11, and whether it compiles.

Any errors you get, you need to find alternatives, often the same APIs are already available as Maven packages in the central repository.

edited Nov 24 '18 at 16:04

Robert

24.5k1160104

answered Nov 23 '18 at 8:25

jwenting

3,60711525

It's frustrating that the compatibility grid in the Tomcat documentation is misleading with regard to Java. From looking at that you would reasonably assume that Tomcat 7 does work with Java 11 since the "Supported Java Versions" are shown as "6 and later".
– skomisa
Nov 25 '18 at 9:34

@skomisa It's not so much misleading as not updated for quite some time now.
– jwenting
Nov 25 '18 at 10:36

add a comment |

Tomcat 7 won't work with Java 11. You need to upgrade your application server to a newer version.

As the Tomcat team hasn't listed Java 11 compatibility for their products, your best bet is to take the latest release version and see if it works (hint, I did that last month and 9.0.12 works).

After that, you also need to see if your own application works under JDK 11, and whether it compiles.

Any errors you get, you need to find alternatives, often the same APIs are already available as Maven packages in the central repository.

edited Nov 24 '18 at 16:04

Robert

24.5k1160104

answered Nov 23 '18 at 8:25

jwenting

3,60711525

It's frustrating that the compatibility grid in the Tomcat documentation is misleading with regard to Java. From looking at that you would reasonably assume that Tomcat 7 does work with Java 11 since the "Supported Java Versions" are shown as "6 and later".
– skomisa
Nov 25 '18 at 9:34

@skomisa It's not so much misleading as not updated for quite some time now.
– jwenting
Nov 25 '18 at 10:36

add a comment |

Tomcat 7 won't work with Java 11. You need to upgrade your application server to a newer version.

As the Tomcat team hasn't listed Java 11 compatibility for their products, your best bet is to take the latest release version and see if it works (hint, I did that last month and 9.0.12 works).

After that, you also need to see if your own application works under JDK 11, and whether it compiles.

Any errors you get, you need to find alternatives, often the same APIs are already available as Maven packages in the central repository.

edited Nov 24 '18 at 16:04

Robert

24.5k1160104

answered Nov 23 '18 at 8:25

jwenting

3,60711525

Tomcat 7 won't work with Java 11. You need to upgrade your application server to a newer version.

As the Tomcat team hasn't listed Java 11 compatibility for their products, your best bet is to take the latest release version and see if it works (hint, I did that last month and 9.0.12 works).

After that, you also need to see if your own application works under JDK 11, and whether it compiles.

Any errors you get, you need to find alternatives, often the same APIs are already available as Maven packages in the central repository.

edited Nov 24 '18 at 16:04

Robert

24.5k1160104

answered Nov 23 '18 at 8:25

jwenting

3,60711525

edited Nov 24 '18 at 16:04

Robert

24.5k1160104

edited Nov 24 '18 at 16:04

Robert

24.5k1160104

edited Nov 24 '18 at 16:04

Robert

24.5k1160104

answered Nov 23 '18 at 8:25

jwenting

3,60711525

answered Nov 23 '18 at 8:25

jwenting

3,60711525

answered Nov 23 '18 at 8:25

jwenting

3,60711525

It's frustrating that the compatibility grid in the Tomcat documentation is misleading with regard to Java. From looking at that you would reasonably assume that Tomcat 7 does work with Java 11 since the "Supported Java Versions" are shown as "6 and later".
– skomisa
Nov 25 '18 at 9:34

@skomisa It's not so much misleading as not updated for quite some time now.
– jwenting
Nov 25 '18 at 10:36

add a comment |

It's frustrating that the compatibility grid in the Tomcat documentation is misleading with regard to Java. From looking at that you would reasonably assume that Tomcat 7 does work with Java 11 since the "Supported Java Versions" are shown as "6 and later".
– skomisa
Nov 25 '18 at 9:34

@skomisa It's not so much misleading as not updated for quite some time now.
– jwenting
Nov 25 '18 at 10:36

It's frustrating that the compatibility grid in the Tomcat documentation is misleading with regard to Java. From looking at that you would reasonably assume that Tomcat 7 does work with Java 11 since the "Supported Java Versions" are shown as "6 and later".
– skomisa
Nov 25 '18 at 9:34

@skomisa It's not so much misleading as not updated for quite some time now.
– jwenting
Nov 25 '18 at 10:36

add a comment |

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