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:...
java.util.concurrent.ExecutionException: java.lang.RuntimeException: java.lang.NullPointerException: Cannot invoke "java.lang.Integer.intValue()" because the return value of "java.util.TreeMap.get(Object)" is null java.util.concurrent.ExecutionException: java.lang.RuntimeException: java.lang.Null...
[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
at com.xujin.action.ShowUserAllAriticle.execute(ShowUserAllAriticle.java:55) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 而出错部分的代码是如下写的: public int queryUserAllCount(String username) { List find = this.getHibernateTemplate().find("select count(*) from Article art...
ajava.lang.IllegalStateException: Optional int parameter 'id' is present but cannot be translated into a null value due to being declared as a primitive type java.lang.IllegalStateException : 任意int参量\ ‘id \’是存在,但不可能被翻译成一个空值由于被宣称作为一个原始类型[translate]...
Exceptioninthread"main"java.lang.NullPointerException:Cannotinvoke"java.net.URL.getPath()"becausethereturnvalueof"java.lang.ClassLoader.getResource(String)"isnullattest.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...
Cannot invoke com.flyoa.entity.IdEntity.setId on bean class 'class com.flyoa.entity.auth.Role' - argument type mismatch - had objects of type "java.lang.String" but expected signature "java.lang.Integer" File: org/apache/commons/beanutils/PropertyUtilsBean.java ...
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) P.S. I need to parse this JSON to calculate wearCoefficientOverTunnelmeter.track_name with defined value Thank you in advance for your help!
org.apache.catalina.core.ApplicationDispatcher invoke SEVERE: Servlet.service() for servlet jsp threw exception javax.el.ELException:Cannot convert 0 of type class java.lang.Integer to class java.lang.Boolean at org.apache.el.lang.ELSupport.coerceToBoolean(ELSupport.java:188) ...