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DeemOpen / zkui

A UI dashboard that allows CRUD operations on Zookeeper.
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Can not work in JDK1.8 environment, startup happen error : Exception in thread "main" java.lang.IllegalArgumentException: Malformed \uxxxx encoding. #81

Closed tiandong19860806 closed 4 years ago

tiandong19860806 commented 4 years ago

Hi , When I run the zkui in JDK 1.8, the zkui happen error as below:

[root@CNT7XZKPD02 zkui-2.0]# java -jar ./zkui-2.0-SNAPSHOT-jar-with-dependencies.jar Exception in thread "main" java.lang.IllegalArgumentException: Malformed \uxxxx encoding. at java.util.Properties.loadConvert(Properties.java:574) at java.util.Properties.load0(Properties.java:391) at java.util.Properties.load(Properties.java:341) at com.deem.zkui.Main.main(Main.java:54)

Note:

  1. OS system : CentOS 7.4 x64
  2. JKD : java version "1.8.0_231"
  3. ZooKeeper: 3.6.1

Picture as below:

  1. zkui startup error image

  2. zkui config.cfg image

  3. zkui build result success image

tiandong19860806 commented 4 years ago

Hi @gitorko 

 Maybe the class Main.java has a path issue , which is happen only in Linux and windows 10.

such as below,

  1. fix before is Error File f = new File("config.cfg"); if (f.exists()) { globalProps.load(new FileInputStream("config.cfg")); }

  2. fix after is OK String appConfPath = System.getenv("ZKUI_HOME"); if(appConfPath == null || appConfPath.length() == 0) { System.out.println("env parameter ZKUI_HOME isn't set, such as ZKUI_HOME=/opt/zkui/zkui-2.0/ or actual path of zkui install"); System.exit(1); } appConfPath = appConfPath + "config.cfg"; File f = new File(appConfPath); if (f.exists()) { globalProps.load(new FileInputStream(appConfPath)); } else { System.out.println("Please create config.cfg properties file and then execute the program!"); System.exit(1); }

  3. fix after is OK image

  4. and deploy in CentOS is OK

01

image

tiandong19860806 commented 4 years ago

note, a service to setting zkui

5. 设置开机自动启动，如下

cat > /etc/systemd/system/zkui.service <<EOF [Unit] Description=zkui-2.0 service After=network.target After=network-online.target Wants=network-online.target

[Service] User=zookeeper Type=forking TimeoutSec=0 Environment="ZKUI_HOME=/app/zkui/zkui-2.0/" ExecStart=${JAVA_HOME}/bin/java -Xms128m -Xmx512m -XX:MaxMetaspaceSize=256m -jar /app/zkui/zkui-2.0/zkui-2.0-SNAPSHOT-jar-with-dependencies.jar RestartSec=5 LimitNOFILE=1000000

[Install] WantedBy=multi-user.target EOF

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