com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Column 'username_id' cannot be null

GitHub | viet | 2 months ago
  1. 0

    Column 'username_id' cannot be null

    GitHub | 2 months ago | viet
    com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Column 'username_id' cannot be null
  2. 0

    GitHub comment 53#153849958

    GitHub | 1 year ago | random1167
    com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Column 'username_id' cannot be null
  3. 0

    为什么会出现乱码?

    GitHub | 4 years ago | xiegengcai
    org.springframework.dao.DuplicateKeyException: PreparedStatementCallback; SQL [update t_application set update_time=now(), app_name=?, en_name=?, version=?, developer=?, catalog_id=?, size=?, platform=?, support_languages=?, price=?, description=?, permission_desc=?, status=?, images=?, features=?, en_features=? where id=?]; Duplicate entry '�鱼达人' for key 2; nested exception is com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry '�鱼达人' for key 2
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  5. 0

    JPA @ManyToOne - I don't want cascade delete

    Stack Overflow | 2 years ago | Áron Nemmondommegavezetéknevem
    org.springframework.dao.DataIntegrityViolationException: could not execute statement; SQL [n/a]; constraint [null]; nested exception is org.hibernate.exception.ConstraintViolationException: could not execute statement
  6. 0

    How to re-run a job? - Spring Forum

    spring.io | 5 months ago
    org.springframework.dao.DuplicateKeyException: PreparedStatementCallback; SQL [INSERT into BATCH_JOB_INSTANCE(JOB_INSTANCE_ID, JOB_NAME, JOB_KEY, VERSION) values (?, ?, ?, ?)]; Duplicate entry '0' for key 'PRIMARY'; nested exception is com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry '0' for key 'PRIMARY'

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Root Cause Analysis

  1. com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException

    Column 'username_id' cannot be null

    at sun.reflect.GeneratedConstructorAccessor150.newInstance()
  2. Java RT
    Constructor.newInstance
    1. sun.reflect.GeneratedConstructorAccessor150.newInstance(Unknown Source)
    2. sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    3. java.lang.reflect.Constructor.newInstance(Constructor.java:423)
    3 frames
  3. MySQL jdbc
    PreparedStatement.executeUpdate
    1. com.mysql.jdbc.Util.handleNewInstance(Util.java:404)
    2. com.mysql.jdbc.Util.getInstance(Util.java:387)
    3. com.mysql.jdbc.SQLError.createSQLException(SQLError.java:934)
    4. com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3870)
    5. com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3806)
    6. com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2470)
    7. com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2617)
    8. com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2550)
    9. com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861)
    10. com.mysql.jdbc.PreparedStatement.executeUpdateInternal(PreparedStatement.java:2073)
    11. com.mysql.jdbc.PreparedStatement.executeUpdateInternal(PreparedStatement.java:2009)
    12. com.mysql.jdbc.PreparedStatement.executeLargeUpdate(PreparedStatement.java:5094)
    13. com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:1994)
    13 frames
  4. com.greatmancode.com
    PreparedStatementJavassistProxy.executeUpdate
    1. com.greatmancode.com.zaxxer.libs.hikari.proxy.PreparedStatementProxy.executeUpdate(PreparedStatementProxy.java:61)
    2. com.greatmancode.com.zaxxer.libs.hikari.proxy.PreparedStatementJavassistProxy.executeUpdate(PreparedStatementJavassistProxy.java)
    2 frames
  5. com.greatmancode.craftconomy3
    EventManager.playerJoinEvent
    1. com.greatmancode.craftconomy3.storage.sql.SQLStorageEngine.getAccount(SQLStorageEngine.java:114)
    2. com.greatmancode.craftconomy3.storage.StorageEngine.getAccount(StorageEngine.java:54)
    3. com.greatmancode.craftconomy3.account.AccountManager.getAccount(AccountManager.java:54)
    4. com.greatmancode.craftconomy3.events.EventManager.playerJoinEvent(EventManager.java:54)
    4 frames
  6. Java RT
    Method.invoke
    1. sun.reflect.GeneratedMethodAccessor95.invoke(Unknown Source)
    2. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    3. java.lang.reflect.Method.invoke(Method.java:498)
    3 frames
  7. com.greatmancode.craftconomy3
    PlayerJoinEventListener.onPlayerJoin
    1. com.greatmancode.craftconomy3.tools.events.ListenerRegistration.callEvent(ListenerRegistration.java:40)
    2. com.greatmancode.craftconomy3.tools.events.EventManager.callEvent(EventManager.java:66)
    3. com.greatmancode.craftconomy3.tools.events.bukkit.PlayerJoinEventListener.onPlayerJoin(PlayerJoinEventListener.java:32)
    3 frames
  8. com.destroystokyo.paper
    GeneratedEventExecutor59.execute
    1. com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor59.execute(Unknown Source)
    1 frame
  9. Bukkit
    EventExecutor$1.execute
    1. org.bukkit.plugin.EventExecutor$1.execute(EventExecutor.java:44)
    1 frame
  10. co.aikar.timings
    TimedEventExecutor.execute
    1. co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78)
    1 frame
  11. Bukkit
    SimplePluginManager.callEvent
    1. org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
    2. org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:517)
    3. org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:502)
    3 frames
  12. net.minecraft.server
    MinecraftServer.run
    1. net.minecraft.server.v1_10_R1.PlayerList.onPlayerJoin(PlayerList.java:356)
    2. net.minecraft.server.v1_10_R1.PlayerList.a(PlayerList.java:175)
    3. net.minecraft.server.v1_10_R1.LoginListener.b(LoginListener.java:144)
    4. net.minecraft.server.v1_10_R1.LoginListener.E_(LoginListener.java:54)
    5. net.minecraft.server.v1_10_R1.NetworkManager.a(NetworkManager.java:233)
    6. net.minecraft.server.v1_10_R1.ServerConnection.c(ServerConnection.java:152)
    7. net.minecraft.server.v1_10_R1.MinecraftServer.D(MinecraftServer.java:886)
    8. net.minecraft.server.v1_10_R1.DedicatedServer.D(DedicatedServer.java:404)
    9. net.minecraft.server.v1_10_R1.MinecraftServer.C(MinecraftServer.java:725)
    10. net.minecraft.server.v1_10_R1.MinecraftServer.run(MinecraftServer.java:624)
    10 frames
  13. Java RT
    Thread.run
    1. java.lang.Thread.run(Thread.java:745)
    1 frame