Java project upgrade from 1.6 to 1.8 problems encountered (Eclipse does not support jdk1.8 and Tomcat8.0) __java Foundation

has been using Tomcat6.0 and jdk1.6, now the project to upgrade with jdk1.8 and Tomcat8.0, suddenly found that my eclipse does not support such a high version, only to jdk1.7 and Tomcat7.0,

So the Internet check, need to install plug-ins;

To install Tomcat8.0 plug-in steps:

Step One: Eclipse menu Help->eclipse Marketplace Click Open after the interface is as follows:

Step two: In the Find search box input: Eclipse JST Server adapters, point go Search, the normal search is the first, as shown:

The third step: the lower right corner of the install installation, my side has been installed, so the display is uninstall uninstall, follow the prompts step, step-by-step installation, and then restart according to the prompts, will find Apache Tomcat v8.0 already have, you can configure the use of 8.0+ Version of Tomcat.

Attention:

Error when installing tomcat8.5 in eclipse:

[HTML] view plain Copy the Apache Tomcat installation at this directory is version 8.5.6. A Tomcat 8.0 installation is expected.

Solution:
In Windows

[HTML] view Plain Copy① finds the Lib directory in the Tomcat installation directory and finds Catalina.jar.   Use compression software (winrar or good pressure) to open it. ② find and double hit open org\apache\catalina\util\serverinfo.properties file [HTML] view plain copy server.info=apache Tomcat /8.5.6 server.number=8.5.6.0 server.built=oct 6 2016 20:15:31 UTC

To

[HTML] view plain copy #Apache tomcat/8.5.6 server.info=apache tomcat/8.0.0 #8.5.6.0 server.number=8.0.0 To install the JDK8 plug-in server.built=oct 6 2016 20:15:31 UTC:

Step One: Eclipse menu help-> Eclipse marketplace-> Search (two plugins need to be installed here)

1 Java 8 support for Eclipsekepler SR2--JAVA8 compilation required,

2) Java 8 Facet for Web Tools foreclipse Kepler SR2--java8 operation required

Part II: Configuration of each parameter

1 System Configuration JAVA8 Compilation environment, window-> Preferences

2 Project using Java8 's compile path, project-> Java build path-> libraries-> Edit

3 The corresponding Java compiler path corresponds to version 1.8

4) Configure the project facets corresponding JAVA8

Open Eclipse Discovery before the project has a red fork: The project BuildPath changed and the operating environment has been changed to find the servlet appears: the import Javax.servlet cannot be resolved error:

The workaround is: in Eclipse, right-click the project, select Build path->configure build Path->libraries->add External JARs, and find the decompression path for Tomcat in your computer. Select "Servlet-api.jar" under the Lib folder, add click "OK"

Here we're done. Small Red Fork, the project also upgraded successfully.