curl (7) Failed connect to localhost8080； Connection refused

curl: (7) Failed connect to localhost:8080; Connection refused

If you are curl Baidu is normal ,curl （ own IP） normal , however One curl http://localhost:8080 Is to report you an error , Then you can try the following methods ！

I have searched many methods before , say nignx The problem of , Or the port , I tried it for a long time, but it didn't work . Followed by a blogger who said he could check the log , I opened the log and read it , Really found problems

stay tomcat There is a... In the folder logs file

![ Insert picture description here ](https://img-blog.csdnimg.cn/6ccd79ed9d8443aab0c156c58710f7e2.png

Find the file name of the above figure , Then open with text editing
Tell me here , In fact, the installation is /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.332.b09-1.el7_9.x86_64/jre/bin/java/bin/java, In fact, there is no such thing /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.332.b09-1.el7_9.x86_64/jre/bin/java/bin/java Catalog , It is /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.332.b09-1.el7_9.x86_64/

So let's check now jdk The path of
![ Insert picture description here ](https://img-blog.csdnimg.cn/aff893cf9c6044e2a39b94ed36276d50.png

And then use vi /etc/profile To modify jdk Path configuration
Put the previous JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.332.b09-1.el7_9.x86_64/jre/bin/java/bin/java
Change to the present JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.332.b09-1.el7_9.x86_64/jre
![ Insert picture description here ](https://img-blog.csdnimg.cn/d5c1341c19c042f5a36c2fa9d02fe72a.png

Update the file again
source /etc/profile
restart tomcat Of , Again curl The visit will be successful

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