prepare release 3.1.8

Dockerfile

@@ -1,6 +1,6 @@
 FROM openjdk:8-jdk-alpine
 
-ARG ARTHAS_VERSION="3.1.7"
+ARG ARTHAS_VERSION="3.1.8"
 ARG MIRROR=false
 
 ENV MAVEN_HOST=http://repo1.maven.org/maven2 \

Dockerfile-No-Jdk

@@ -1,6 +1,6 @@
 FROM alpine
 
-ARG ARTHAS_VERSION="3.1.7"
+ARG ARTHAS_VERSION="3.1.8"
 ARG MIRROR=false
 
 ENV MAVEN_HOST=http://repo1.maven.org/maven2 \

bin/as.sh

@@ -8,10 +8,10 @@
 
 # program : Arthas
 #  author : Core Engine @ Taobao.com
-#    date : 2019-12-04
+#    date : 2020-04-02
 
 # current arthas script version
-ARTHAS_SCRIPT_VERSION=3.1.7
+ARTHAS_SCRIPT_VERSION=3.1.8
 
 # SYNOPSIS
 #   rreadlink <fileOrDirPath>
@@ -440,7 +440,7 @@ EXAMPLES:
   ./as.sh --stat-url 'http://192.168.10.11:8080/api/stat'
   ./as.sh -c 'sysprop; thread' <pid>
   ./as.sh -f batch.as <pid>
-  ./as.sh --use-version 3.1.7
+  ./as.sh --use-version 3.1.8
   ./as.sh --session-timeout 3600
   ./as.sh --attach-only
   ./as.sh --repo-mirror aliyun --use-http

boot/src/main/java/com/taobao/arthas/boot/Bootstrap.java

@@ -47,7 +47,7 @@ import com.taobao.middleware.cli.annotations.Summary;
                 + "  java -jar arthas-boot.jar --stat-url 'http://192.168.10.11:8080/api/stat'\n"
                 + "  java -jar arthas-boot.jar -c 'sysprop; thread' <pid>\n"
                 + "  java -jar arthas-boot.jar -f batch.as <pid>\n"
-                + "  java -jar arthas-boot.jar --use-version 3.1.7\n"
+                + "  java -jar arthas-boot.jar --use-version 3.1.8\n"
                 + "  java -jar arthas-boot.jar --versions\n"
                 + "  java -jar arthas-boot.jar --session-timeout 3600\n" + "  java -jar arthas-boot.jar --attach-only\n"
                 + "  java -jar arthas-boot.jar --repo-mirror aliyun --use-http\n" + "WIKI:\n"