在Java中,NullPointerException异常通常发生在你尝试在一个为null的对象上调用方法或访问其字段时。根据你提供的错误信息 java.lang.nullpointerexception: cannot invoke "string.trim()" because "in" is null,这意味着变量 in 为null,而你的代码试图调用其 trim() 方法。 下面是一些解决这个问题的步骤和建议: ...
at org.jetbrains.plugins.gradle.model.ProjectImportAction.execute(ProjectImportAction.java:130) at org.jetbrains.plugins.gradle.model.ProjectImportAction.execute(ProjectImportAction.java:42) Caused by: java.lang.NullPointerException: Cannot invoke "String.trim()" because "in" is null at org....
Cannot invoke "javax.swing.text.html.CSS$CssValue.parseCssValue(String)" because "conv" is null Explanation: Content is a code that, when converted to HTML, highlights the code when displayed. Strangely, there was no error message the first time, but on the second time, when switching the...
Cannot implicitly convert type 'string' to 'System.Threading.Tasks.Task<string>'For below code:prettyprint Copy private Task<string> GetPasswordSalt() { sql_connection = new SqlConnection("Server=my.domain.com; Database=myDB; User Id=sa; "); sql_connection.Open(); sql_command = new ...
Cannot bind argument to parameter 'Path' because it is null in ISE Cannot bind argument to parameter xxxxx' because it is an empty string. Cannot bind parameter 'Date' to the target Cannot convert 'System.Object[]' to the type 'System.Nullable'1[System.Boolean\' required by parameter...
(null, rootDir).text.trim(), "../android")) } maven { // Android JSC is installed from npm url(new File(["node", "--print", "require.resolve('jsc-android/package.json')"].execute(null, rootDir).text.trim(), "../dist")) } google() mavenCentral { // We don't want to ...
function genDirectives(el: ASTElement, state: CodegenState): string | void { const dirs = el.directives // 获取所有指令 if (!dirs) return let res = 'directives:[' let hasRuntime = false let i, l, dir, needRuntime for (i = 0, l = dirs.length; i < l; i++) { dir = dirs...
"PostAsJsonAsync" is not invoking web api POST action method "System.Data.Entity.Internal.AppConfig" type initializer causes an exception "The given key was not present in the dictionary." when passing null non-Route paramater to ActionLink "The LINQ expression node type 'Invoke' is not supporte...
Theplatform encoding not initializedexception is thrownheredeep in java.dll code. Because theInitializeEncodingfunction is never called, which normally gets calledherein theSystem.initPropertiesnative call, which will run the statically included call, not the one from java.dll. ...
"PostAsJsonAsync" is not invoking web api POST action method "System.Data.Entity.Internal.AppConfig" type initializer causes an exception "The given key was not present in the dictionary." when passing null non-Route paramater to ActionLink "The LINQ expression node type 'Invoke' is not supporte...