redis org.springframework.data.redis.RedisSystemException: Error in execution

Background When running a certain system, the test class stores a certain value into redis and then takes it out. 1. Problems encountered Error reported: org.springframework.data.redis.RedisSystemException: Error in execution; nested exception is io.lettuce.core.RedisCommandExecutionException: MISCONF Redis is configured to save RDB snapshots, but it is currently not able to persist on disk. Commands that may modify […]

Solve the problem that mybatisplus reported org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.excep

Solution to mybatisplus reporting org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException: Article directory Solve the problem that mybatisplus reported org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException: Scenes: Exception details: Solution analyze 1. View logs 2. View the source code Summarize use mybatisplus LambdaQueryChainWrapper reported an error Scene: RegionPO one = new LambdaQueryChainWrapper<>(regionDAO) .select(RegionPO::getRegionId) .eq(RegionPO::getName, “Guangdong Province”) .one(); Exception details: […]

New variant of the Givemexyz mining family is wreaking havoc on the cloud

1. Overview Alibaba Cloud Security Center has monitored that the givemexyz mining family continues to be active on the cloud. This family spreads by using weak server passwords, web vulnerabilities, middleware vulnerabilities, etc. Moreover, this family uses bash, python, powershell and other malicious scripts to conduct batch attacks, and has the ability to spread across […]

Error setting non null for parameter #1 with JdbcType null . dm.jdbc.driver.DMException: Invalid sequence number

Problem occurred org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.type.TypeException: Could not set parameters for mapping: ParameterMapping{<!– –>property=’__frch_item_0.batchId’, mode=IN, javaType=class java.lang.Long, jdbcType=null, numericScale=null, resultMapId=’null’, jdbcTypeName=’null’, expression=’null’}. Cause: org. apache.ibatis.type.TypeException: Error setting non null for parameter #1 with JdbcType null . Try setting a different JdbcType for this parameter or a different configuration property. Cause: dm.jdbc.driver.DMException: The sequence number […]

### Cause: dm.jdbc.driver.DMException: An error occurred near line 207069: The maximum number of parameters (65535) was exceeded; SQL []; An error occurred near line 207069:

Problem occurred ### Cause: dm.jdbc.driver.DMException: An error occurred near line 207069: Maximum number of parameters exceeded (65535) ; SQL []; An error occurred near line 207069: Maximum number of parameters exceeded (65535); nested exception is dm.jdbc.driver.DMException: An error occurred near line 207069: Maximum number of parameters exceeded (65535) at org.springframework.jdbc.support.SQLStateSQLExceptionTranslator.doTranslate(SQLStateSQLExceptionTranslator.java:102) at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:73) at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:82) at […]

CodeforcesCF1830D Mex Tree

Question link CF direction Luogu direction Question solution All along the path 0 0 0 would make the answer ? 1 -1 ?1, all 1 1 1 will make the answer ? 2 -2 ?2 Consider estimating the lower bound of the answer. An excellent solution is black and white dyeing Then the lower bound […]

CF1527D MEX Tree

CF1527D MEX Tree MEX Tree – Luogu | New Ecosystem of Computer Science Education (luogu.com.cn) Article directory CF1527D MEX Tree The general idea of the topic The basic idea ask Revise code The main idea of the title give one n n A tree of n points, starting from 0 0 0 to n ? […]

### Cause: dm.jdbc.driver.DMException: Error near line 60: Unresolved member access expression [IF]; SQL[]; Error near line 60:

Problem reporting ### Cause: dm.jdbc.driver.DMException: An error occurred near line 60: Unresolved member access expression [IF] ; SQL []; An error occurred near line 60: Unresolved member access expression [IF]; nested exception is dm.jdbc.driver.DMException: Error near line 60: Unresolved member access expression [IF] at org.springframework.jdbc.support.SQLStateSQLExceptionTranslator.doTranslate(SQLStateSQLExceptionTranslator.java:102) at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:73) at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:82) at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:82) at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:73) at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:446) […]

### Cause: dm.jdbc.driver.DMException: Error near line 59, column 54 [=]: syntax parsing error; bad SQL grammar []; nested

Error reporting ### Cause: dm.jdbc.driver.DMException: An error occurred near line 59, column 54 [=]: Syntax parsing error ; bad SQL grammar []; nested exception is dm.jdbc.driver.DMException: An error occurred near line 59, column 54 [=]: Syntax parsing error at org.springframework.jdbc.support.SQLStateSQLExceptionTranslator.doTranslate(SQLStateSQLExceptionTranslator.java:99) at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:73) at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:82) at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:82) at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:73) at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:446) at com.sun.proxy.$Proxy134.selectList(Unknown Source) at org.mybatis.spring.SqlSessionTemplate.selectList(SqlSessionTemplate.java:230) […]

### Cause: dm.jdbc.driver.DMException: Error near line 9, column 85 [is]: Syntax parsing error

Problem occurred (case when pcf.CONTRACTS_DURATION_UNITS = ”|| pcf.CONTRACTS_DURATION_UNITS is null then null else ‘M’ end) contractsDurationUnits, (case when pcf.CONTRACTS_DURATION_UNITS_NAME = ”|| pcf.CONTRACTS_DURATION_UNITS_NAME is null then null else ‘month’ end) contractsDurationUnitsName, ### Cause: dm.jdbc.driver.DMException: An error occurred near line 9, column 85 [is]: Syntax parsing error ; bad SQL grammar []; nested exception is dm.jdbc.driver.DMException: An […]