Solution to "Incorrect config file cause CLI finish with error but no output with details" solves #1180

src/main/java/com/puppycrawl/tools/checkstyle/Main.java

@@ -101,10 +101,9 @@ public final class Main {
             System.out.println(pex.getMessage());
             printUsage();
         }
-        catch (Exception ex) {
-            // smth wrong during processing
+        catch (CheckstyleException e) {
             errorCounter = 1;
-            throw ex;
+            System.out.println(e.getMessage());
         }
         finally {
             // return exit code base on validation of Checker

src/test/java/com/puppycrawl/tools/checkstyle/MainTest.java

@@ -114,7 +114,8 @@ public class MainTest {
         exit.expectSystemExitWithStatus(1);
         exit.checkAssertionAfterwards(new Assertion() {
             public void checkAssertion() {
-                assertEquals("Checkstyle ends with 1 errors." + System.lineSeparator(),
+                assertEquals(String.format("unable to find src/main/resources/non_existing_config.xml%n"
+                        + "Checkstyle ends with 1 errors.%n"),
                     standardLog.getLog());
                 assertEquals("", errorLog.getLog());
             }
@@ -335,4 +336,20 @@ public class MainTest {
                 "-p", "nonexisting.properties",
                 "src/test/resources/com/puppycrawl/tools/checkstyle/InputMain.java");
     }
+
+    @Test
+    public void testExistingIncorrectConfigFile()
+            throws Exception {
+        exit.expectSystemExitWithStatus(1);
+        exit.checkAssertionAfterwards(new Assertion() {
+            public void checkAssertion() {
+                assertEquals(String.format("unable to parse configuration stream - Content is not allowed in prolog.:7:1%n"
+                        + "Checkstyle ends with 1 errors.%n"), standardLog.getLog());
+                assertEquals("", errorLog.getLog());
+            }
+        });
+        Main.main("-c", "src/test/resources/com/puppycrawl/tools/checkstyle/"
+                + "config-Incorrect.xml",
+                "src/test/resources/com/puppycrawl/tools/checkstyle/InputMain.java");
+    }
 }

src/test/resources/com/puppycrawl/tools/checkstyle/config-Incorrect.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!DOCTYPE module PUBLIC
+        "-//Puppy Crawl//DTD Check Configuration 1.1//EN"
+        "http://www.puppycrawl.com/dtds/configuration_1_1.dtd">
+
+#<module name="Checker">
+    <module name="TreeWalker">
+        <module name="TypeName">
+            <property name="severity" value="warning"/>
+        </module>
+    </module>
+</module>