arthas-boot support unset JAVA_TOOL_OPTIONS. #2166

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

@@ -319,6 +319,15 @@ public class Bootstrap {
             }
         }
 
+        try {
+            String javaToolOptions = System.getenv("JAVA_TOOL_OPTIONS");
+            if (javaToolOptions != null && !javaToolOptions.trim().isEmpty()) {
+                AnsiLog.info("JAVA_TOOL_OPTIONS: " + javaToolOptions);
+            }
+        } catch (Throwable e) {
+            // ignore
+        }
+
         Bootstrap bootstrap = new Bootstrap();
 
         CLI cli = CLIConfigurator.define(Bootstrap.class);

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

@@ -266,6 +266,8 @@ public class ProcessUtils {
         // -agent "${arthas_lib_dir}/arthas-agent.jar"
 
         ProcessBuilder pb = new ProcessBuilder(command);
+        // https://github.com/alibaba/arthas/issues/2166
+        pb.environment().put("JAVA_TOOL_OPTIONS", "");
         try {
             final Process proc = pb.start();
             Thread redirectStdout = new Thread(new Runnable() {