fix AnsiLog static init may error. #2740

common/src/main/java/com/taobao/arthas/common/AnsiLog.java

@@ -53,16 +53,20 @@ public abstract class AnsiLog {
     private static final String ERROR_COLOR_PREFIX = "[" + colorStr("ERROR", RED) + "] ";
 
     static {
-        if (System.console() != null) {
+        try {
-            enableColor = true;
+            if (System.console() != null) {
-            // windows dos, do not support color
+                enableColor = true;
-            if (OSUtils.isWindows()) {
+                // windows dos, do not support color
-                enableColor = false;
+                if (OSUtils.isWindows()) {
+                    enableColor = false;
+                }
             }
-        }
+            // cygwin and mingw support color
-        // cygwin and mingw support color
+            if (OSUtils.isCygwinOrMinGW()) {
-        if (OSUtils.isCygwinOrMinGW()) {
+                enableColor = true;
-            enableColor = true;
+            }
+        } catch (Throwable t) {
+            // ignore
         }
     }