在Java中,遇到错误“cannot invoke "java.lang.Integer.intValue()"”通常意味着你尝试在一个尚未初始化的Integer对象上调用intValue()方法。Integer是一个封装类,用于包装基本数据类型int的值。如果尝试在一个null的Integer对象上调用任何方法,都会抛出NullPointerException。 下面我将根据提供的提示来详细解答这个问题:...
STEMS ERROR - Cannot invoke "java.lang.Integer.intValue()" because the return value of "java.util.TreeMap.get(Object)" is null #696 New issue Open jenia0jenia opened this issue Nov 8, 2023· 0 comments Comments jenia0jenia commented Nov 8, 2023 Hello! when recognizing I get this e...
[10:31:56] [Server thread/WARN]: [FastAsyncWorldEdit] Task #737285 for FastAsyncWorldEdit v2.3.1-SNAPSHOT-210;fd00635 generated an exception java.lang.NullPointerException: Cannot invoke "java.lang.Integer.intValue()" because "this.legacyCombinedId" is null at com.sk89q.worldedit.world....
Cannot invoke quot;java.lang.Integer.intValue()quot; because the return value of quot;java.util.HashMap.get(Object)quot; is null,这个错误。。。_牛客网_牛客在手,offer不愁
问题1: 反序列化的枚举类: @Message public enum EnumClassd { Unknown (0); @Getter @Setter private Integer code; EnumClassd(Integer code) { this.code = code; } } M
at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.apache.ibatis.logging.jdbc.ResultSetLogger.invoke(ResultSetLogger.java:69) at com.sun.proxy.$Proxy111.getInt(Unknown Source) at org.apache.ibatis.type.IntegerTypeHandler.getNullableResult(IntegerTypeHandler.java:37) ...
java.lang.RuntimeException: Unable to start activity ComponentInfo Java.Net.ProtocolException: 'unexpected end of stream' I got this error. Json array parsing as observable collection JSON Date value as null, how to check if it is null or not? Keyboard hides input in Xamarin Forms Kill the ...
lang.NullPointerException: Cannot invoke "java.net.URL.getPath()" because the return value of "java.lang.ClassLoader.getResource(String)" is null at test.AboutPath.main(AboutPath.java:6) 如果通过这种方式找.java文件,只能找其对应的.class文件;可以找src目录下其他类型的文件,但是输出的路径还是在...
at java.lang.reflect.Method.invoke(Method.java:597) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.jav...
Describe the bug Lunching 1.18 with mods and it shows this error in the latest.txt file after its crash: java.lang.NullPointerException: Cannot invoke "java.lang.Integer.intValue()" because the return value of "java.util.Map.get(Object)"...