ERROR:Place:1108 - A clock IOB / BUFGMUX clock component pair have been found   that are not placed at an optimal clock IOB / BUFGMUX site pair. The clock   IOB component <Clk_125M> is placed at site <PAD99>. The corresponding BUFG   component…

未使用管脚设置为三态输入 Assignments  -> Device 或双击器件…

控制台报错: 08:07:09.293 [http-bio-8080-exec-2] ERROR org.hibernate.internal.SessionImpl - HHH000346: Error during managed flush [Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1] 查阅许多博客得出了自己的理解,请大家指教: 由于存在隐藏表单进…

学习Java Servlet时,从Wrox上下载了示例代码,准备run/debug时发现以下错误: Error running Tomcat 8.5.8: Unable to open debugger port (127.0.0.1:49551): java.net.SocketException "Socket closed" /Users/GuQiang/Tomcat/apache-tomcat-8.5.8/bin/catalina.sh stopUsing CATALINA_B…

准备给scala项目引入单元测试 <dependency> <groupId>org.scalatest</groupId> <artifactId>scalatest_2.10</artifactId> <version>2.2.6</version> </dependency> Scala版本: 2.10.4 编译的时候遇到了下面的错误: Error:scalac: error while loading…

1.错误描述 13:58:20 call new_procedure('2000','zhangsan') Error Code: 1318. Incorrect number of arguments for PROCEDURE student.new_procedure; expected 0, got 2 0.000 sec 2.错误原因 CREATE DEFINER=`root`@`localhost` PROCEDURE `new_procedure`() BEGIN set @a=1…

Issue: When you create web app in eclipse with maven configuration, you may get following error. Cannot change version of project facet Dynamic Web Module to 3.0? Root Cause: This is an eclipse bug. Solution: 1. Go to project directory and open .Sett…

 bin/kafka-topics.sh --create --zookeeper es1:2181 --replication-factor 1 --partitions 1 --topic topic1  kafka创建会话,报Error while executing topic command : Replication factor: 1 larger than available brokers: 0. 首先贴出来 kafka的配置文件 broker.id=0 advertised.…

[root@hdp1 /mnt/software/maxwell-1.19.4]#kafka-topics.sh --zookeeper hdp1,hdp2,hdp3:2181 --create --topic maxwell --partitions 6 --replication-factor 2Error while executing topic command : Replication factor: 2 larger than available brokers: 0.[2019-…

不多说,直接上干货!  问题详情 当出现这类错误时是由于版本不匹配造成的 Information:// : - Compilation completed with errors and warnings in 3s 910ms Error:scalac: error while loading JUnit4, Scala signature JUnit4 has wrong version expected: 5.0 found: 4.1 in JUnit4.class Error:scala…