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dialectKey为空导致NullPointerException #656

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Elin-Zhou opened this issue Apr 8, 2022 · 0 comments
Closed

dialectKey为空导致NullPointerException #656

Elin-Zhou opened this issue Apr 8, 2022 · 0 comments

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@Elin-Zhou
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Mybatis-PageHelper/src/main/java/com/github/pagehelper/page/PageAutoDialect.java

Line 235 in 9435e52

return autoDialectDelegate.extractDialect(dialectKey, ms, dataSource, properties);

当判断dialectKey == null时，执行autoDialectDelegate.extractDialect(dialectKey, ms, dataSource, properties); autoDialectDelegate的默认实现类是DataSourceNegotiationAutoDialect，会执DataSourceNegotiationAutoDialect.java:73代码，urlMap.containsKey(dialectKey)，dialectKey为null，直接抛出NPE
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@Elin-Zhou