ClassNotFoundException (.Send array over socket problem - StreamCorruptedException.So instead of when-thenReturn, you might type just when-then. You probably wanted to return the value for the mocked object. Most likely, you mistyped returning function. binary '+' : no operator found which takes a right-hand operand Here is a list of 3 things you should check out.Spring framework data source binding BeanCreation Exception.Robot click exception: Invalid combination of button flags.Exception in thread 'main' : For input string:.Midi applet exception:: MIDI OUT transmitter.

creating a child form in backgroundWorker.null pointer error when creating array of custom class.tDefaultCloseOperation(JFrame.EXIT_ON_CLOSE) LabelFrame labelFrame = new LabelFrame() tVerticalTextPosition(SwingConstants.BOTTOM)

tHorizontalTextPosition(SwingConstants.CENTER) tText('Label with icon and text at bottom') Label2 = new JLabel('Label with text and icon',bug,SwingConstants.LEFT) Icon bug = new ImageIcon(getClass().getResource('bug.gif')) At first i thought it was because I didn't have an image called bug1.gif in the same folder as my java files however that was not the case.Įxception in thread 'main' Īt .(init)(ImageIcon.java:167)Īt LabelTest.main(LabelTest.java:7) import Most of the other programs worked perfectly this is the only one iv had a problem with so far.

When I copied this example program out of the book I get a null pointer exception. ': Cannot invoke '.(Object, )' because 'this.this$0.itemPreparedStatementSetter' is null at .database.JdbcBatchItemWriter$1.doInPreparedStatement(JdbcBatchItemWriter.java:190) ~ at .database.JdbcBatchItemWriter$1.doInPreparedStatement(JdbcBatchItemWriter.java:186) ~ at .JdbcTemplate.execute(JdbcTemplate.java:651) ~ at .JdbcTemplate.execute(JdbcTemplate.java:691) ~ at .(JdbcBatchItemWriter.java:186) ~ at .(SimpleChunkProcessor.java:193) ~ at .(SimpleChunkProcessor.java:159) ~ at .(SimpleChunkProcessor.java:294) ~ at .(SimpleChunkProcessor.java:217) ~ at .(ChunkOrientedTasklet.java:77) ~ at .$ChunkTransactionCallback.doInTransaction(TaskletStep.java:407) ~ at .$ChunkTransactionCallback.doInTransaction(TaskletStep.java:331) ~ at .TransactionTemplate.execute(TransactionTemplate.java:140) ~ at .$2.doInChunkContext(TaskletStep.java:273) ~ at .(StepContextRepeatCallback.java:82) ~ at .(RepeatTemplate.java:375) ~ at .(RepeatTemplate.java:215) ~ at .(RepeatTemplate.java:145) ~ at .(TaskletStep.java:258) ~ at .(AbstractStep.java:208) ~ at .(SimpleStepHandler.java:152) ~ at .(JobFlowExecutor.java:68) ~ at .StepState.handle(StepState.java:68) ~ at .resume(SimpleFlow.java:169) ~ at .start(SimpleFlow.java:144) ~ at .(FlowJob.java:137) ~ at .(AbstractJob.java:320) ~ at .$1.run(SimpleJobLauncher.java:149) ~ at .SyncTaskExecutor.execute(SyncTaskExecutor.java:50) ~ at .(SimpleJobLauncher.java:140) ~ at java.base/.invoke0(Native Method) ~ at java.base/.invoke(NativeMethodAccessorImpl.java:78) ~ at java.base/.invoke(DelegatingMethodAccessorImpl.java:43) ~ at java.base/.invoke(Method.java:567) ~ at .AopUtils.invokeJoinpointUsingReflection(AopUtils.java:344) ~ at .ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:198) ~ at .ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) ~ at .$PassthruAdvice.invoke(SimpleBatchConfiguration.java:128) ~ at .ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~ at .JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:215) ~ at jdk.proxy2/jdk.proxy2.$n(Unknown Source) ~ at .(JobLauncherApplicationRunner.java:199) ~ at .(JobLauncherApplicationRunner.java:173) ~ at .(JobLauncherApplicationRunner.java:160) ~ at .(JobLauncherApplicationRunner.java:155) ~ at .(JobLauncherApplicationRunner.java:150) ~ at .callRunner(SpringApplication.java:782) ~ at .callRunners(SpringApplication.java:772) ~ at .run(SpringApplication.java:345) ~ at .run(SpringApplication.Hello folks, I recently started learning Java and bought a book to look at some examples. 'insert into user(userId,namePrefix,firstName,lastName) values (:userId, :namePrefix, :firstName, :lastName)') tItemSqlParameterSourceProvider(new BeanPropertyItemSqlParameterSourceProvider()) JdbcBatchItemWriter writer = new JdbcBatchItemWriter() Import class BatchConfig DataSource JobBuilderFactory StepBuilderFactory FlatFileItemReader reader() ) īeanWrapperFieldSetMapper fieldSetMapper = new BeanWrapperFieldSetMapper() įtTargetType(User.class) Import .database.BeanPropertyItemSqlParameterSourceProvider

New flowlayout null pointer exception