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copied!<p>Add this:</p> <pre><code>objectMapper.configure( DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false); </code></pre> <p>And make out of the deserialized exception the same way, as for the first time:</p> <pre><code>System.out.println( objectMapper.writeValueAsString( throwable ) ); </code></pre> <hr> <p>I used the following code:</p> <pre><code>public static void main( String[] args ) throws IOException { ObjectMapper objectMapper = new ObjectMapper(); objectMapper.configure( SerializationFeature.INDENT_OUTPUT, true ); objectMapper.configure( DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false); objectMapper.setVisibility( PropertyAccessor.FIELD, JsonAutoDetect.Visibility.ANY ); objectMapper.enableDefaultTyping( ObjectMapper.DefaultTyping.NON_FINAL, JsonTypeInfo.As.PROPERTY ); try { Integer.parseInt( "String" ); } catch( NumberFormatException e ) { Throwable throwable = objectMapper.readValue( objectMapper.writeValueAsString( e ), Throwable.class ); System.out.println( objectMapper.writeValueAsString( throwable ) ); } } </code></pre> <p>Added this jars: jackson-annotations-2.2.0.jar, jackson-core-2.2.0.jar and jackson-databind-2.2.0.jar. </p> <p>After execution, the following is printed:</p> <pre><code>{ "@class" : "java.lang.NumberFormatException", "detailMessage" : "For input string: \"String\"", "cause" : null, "stackTrace" : [ { "declaringClass" : "java.lang.NumberFormatException", "methodName" : "forInputString", "fileName" : "NumberFormatException.java", "lineNumber" : 48, "className" : "java.lang.NumberFormatException", "nativeMethod" : false }, { "declaringClass" : "java.lang.Integer", "methodName" : "parseInt", "fileName" : "Integer.java", "lineNumber" : 449, "className" : "java.lang.Integer", "nativeMethod" : false }, { "declaringClass" : "java.lang.Integer", "methodName" : "parseInt", "fileName" : "Integer.java", "lineNumber" : 499, "className" : "java.lang.Integer", "nativeMethod" : false }, { "declaringClass" : "com.sample.bla.Main", "methodName" : "main", "fileName" : "Main.java", "lineNumber" : 24, "className" : "com.sample.bla.Main", "nativeMethod" : false }, { "declaringClass" : "sun.reflect.NativeMethodAccessorImpl", "methodName" : "invoke0", "fileName" : "NativeMethodAccessorImpl.java", "lineNumber" : -2, "className" : "sun.reflect.NativeMethodAccessorImpl", "nativeMethod" : true }, { "declaringClass" : "sun.reflect.NativeMethodAccessorImpl", "methodName" : "invoke", "fileName" : "NativeMethodAccessorImpl.java", "lineNumber" : 39, "className" : "sun.reflect.NativeMethodAccessorImpl", "nativeMethod" : false }, { "declaringClass" : "sun.reflect.DelegatingMethodAccessorImpl", "methodName" : "invoke", "fileName" : "DelegatingMethodAccessorImpl.java", "lineNumber" : 25, "className" : "sun.reflect.DelegatingMethodAccessorImpl", "nativeMethod" : false }, { "declaringClass" : "java.lang.reflect.Method", "methodName" : "invoke", "fileName" : "Method.java", "lineNumber" : 597, "className" : "java.lang.reflect.Method", "nativeMethod" : false }, { "declaringClass" : "com.intellij.rt.execution.application.AppMain", "methodName" : "main", "fileName" : "AppMain.java", "lineNumber" : 120, "className" : "com.intellij.rt.execution.application.AppMain", "nativeMethod" : false } ], "message" : "For input string: \"String\"", "localizedMessage" : "For input string: \"String\"" } </code></pre>

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