# \#mysql

**URL:** https://forum.liquibase.org/tag/mysql/1.md

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## [Diff changelog generator - Index 0 out of bounds for length 0](https://forum.liquibase.org/t/diff-changelog-generator-index-0-out-of-bounds-for-length-0/7023)

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**Author:** [@krishna](https://forum.liquibase.org/u/krishna)\
**Replies:** 1\
**Last updated:** [July 8, 2022, 2:50pm UTC](https://forum.liquibase.org/t/diff-changelog-generator-index-0-out-of-bounds-for-length-0/7023 "2022-07-08T14:50:32Z")

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Whenever I try to run the diffChangeLog between entity and local mysql db, it throws Index 0 out of bounds for length 0 error. When I try to generate between two mysql server, its working fine. Stack trace: java.util.c…

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## [Execute Changelogs. Reason: java.lang.ClassCastException: java.time.LocalDateTime cannot be cast to java.util.Date](https://forum.liquibase.org/t/execute-changelogs-reason-java-lang-classcastexception-java-time-localdatetime-cannot-be-cast-to-java-util-date/7020)

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**Author:** [@jwsql2019](https://forum.liquibase.org/u/jwsql2019)\
**Replies:** 1\
**Last updated:** [July 8, 2022, 2:45pm UTC](https://forum.liquibase.org/t/execute-changelogs-reason-java-lang-classcastexception-java-time-localdatetime-cannot-be-cast-to-java-util-date/7020 "2022-07-08T14:45:06Z")

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Liquibase changelogs are failing deployment with the following error: Execute Changelogs. Reason: java.lang.ClassCastException: java.time.LocalDateTime cannot be cast to java.util.Date And our app is set up using Liqui…

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## [Foreign Keys not committing? \[MYSQL\]](https://forum.liquibase.org/t/foreign-keys-not-committing-mysql/4629)

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**Author:** [@Earl](https://forum.liquibase.org/u/Earl)\
**Replies:** 12\
**Last updated:** [October 13, 2020, 1:02pm UTC](https://forum.liquibase.org/t/foreign-keys-not-committing-mysql/4629 "2020-10-13T13:02:50Z")

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Hey, I’ve been struggling with this issue for a while now. I still have no idea what is actually going on, but feel like I’ve narrowed it down enough that hopefully someone can help me. We have been using liquibase for …

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## [MergeColumns MySql](https://forum.liquibase.org/t/mergecolumns-mysql/4669)

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**Author:** [@Lina1](https://forum.liquibase.org/u/Lina1)\
**Replies:** 4\
**Last updated:** [September 30, 2020, 6:39pm UTC](https://forum.liquibase.org/t/mergecolumns-mysql/4669 "2020-09-30T18:39:41Z")

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Hello. I am using MySql database. I wanted to merge 2 columns in a table. (Wanted to test this change type). I used the following changeset for this: \<mergeColumns tableName = "test" column1Na…

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## [UnmarshalException when i run Liquibase diff](https://forum.liquibase.org/t/unmarshalexception-when-i-run-liquibase-diff/4642)

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**Author:** [@faiez777](https://forum.liquibase.org/u/faiez777)\
**Replies:** 2\
**Last updated:** [September 17, 2020, 2:10pm UTC](https://forum.liquibase.org/t/unmarshalexception-when-i-run-liquibase-diff/4642 "2020-09-17T14:10:13Z")

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Hello , i got this exception UnmarshalException when i run liquibase:diff maven goal the plugin in pom.xml: \<plugin\> \<groupId\>org.liquibase\</groupId\> \<artifactId\>liquibase-maven-plugin\</artifactId\> \<version\>4.0.0\</ver…