Grails 3：GenericJDBCException：无法准备语句

Question

某些读取查询失败十分之一，并显示以下消息：

org.hibernate.exception.GenericJDBCException: could not prepare statement

端点本身只是调用 Myclass.findById(myInstanceId)，所以这是一个插件/库/框架问题。

阅读here 可能是由于与休眠的依赖关系冲突，这是我的依赖关系：

dependencies {
    compile "org.springframework.boot:spring-boot-starter-logging"
    compile "org.springframework.boot:spring-boot-autoconfigure"
    compile "org.grails:grails-core"
    compile "org.springframework.boot:spring-boot-starter-actuator"
    provided "org.springframework.boot:spring-boot-starter-tomcat"
    compile "org.grails:grails-plugin-url-mappings"
    compile "org.grails:grails-plugin-rest"
    compile "org.grails:grails-plugin-codecs"
    compile "org.grails:grails-plugin-interceptors"
    compile "org.grails:grails-plugin-services"
    compile "org.grails:grails-plugin-datasource"
    compile "org.grails:grails-plugin-databinding"
    compile "org.grails:grails-web-boot"
    compile "org.grails:grails-logging"
    compile "org.grails.plugins:cache"
    compile "org.grails.plugins:async"
    compile "org.grails.plugins:events"

    compile "org.grails.plugins:hibernate5"
    compile "org.hibernate:hibernate-core:5.1.5.Final"

    compile "org.grails.plugins:views-json"
    compile "org.grails.plugins:views-json-templates"
    console "org.grails:grails-console"
    compile 'com.oracle:ojdbc6:11.2.0.3'
    compile group: 'org.jdbi', name: 'jdbi', version: '2.78'
    compile "co.freeside.jdbi-time:jdbi-time:1.1"
    compile "org.eurekanetwork.libs:errorhandling:0.3.2"
    compile "org.eurekanetwork.plugin:render-command-errors:0.1.4"
    compile 'org.grails.plugins:database-migration:3.0.3'
    compile 'org.liquibase:liquibase-core:3.5.3'
    compile 'org.grails.plugins:rabbitmq-native:3.3.0'
    compile 'javax.el:javax.el-api:3.0.0'
    compile 'org.glassfish:javax.el:3.0.0'
    compile 'org.grails:grails-datastore-rest-client:4.0.7.RELEASE'
    compile group: 'net.bytebuddy', name: 'byte-buddy', version: '1.6.4'
    compile group: 'cglib', name: 'cglib-nodep', version: '3.2.9'

    profile "org.grails.profiles:rest-api"
    runtime "com.h2database:h2"
    runtime "org.apache.tomcat:tomcat-jdbc"
    testCompile "org.grails:grails-gorm-testing-support"
    testCompile "org.grails:grails-web-testing-support"
    testCompile "org.eurekanetwork.libs:grails3-test-libraries:0.0.4"
    testCompile "org.grails:grails-plugin-testing"
}

堆栈跟踪：

[timestamp=Mon Jan 14 15:03:20 CET 2019] [hostname=polydeuces] 
[logtype=JAVASTACK_TRACE] [javaclass=class     org.eurekanetwork.project.ProjectParticipantController] [loglevel=CRITICAL]     [clientip=0:0:0:0:0:0:0:1] [user-agent=PostmanRuntime/7.6.0]     [exception=org.hibernate.exception.GenericJDBCException: could not prepare statement] [stacktrace=[org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:47), org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:111), org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182), 

2019-01-14 15:03:35.594 错误 --- [nio-8080-exec-1] o.h.engine.jdbc.spi.SqlExceptionHelper：无法验证新建立的连接。 堆栈跟踪： org.hibernate.exception.GenericJDBCException：无法准备语句 在 org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:47) ~[hibernate-core-5.1.5.Final.jar:5.1.5.Final]

注意：我发现了这个question，类似于我的问题。将 testOnBorrow 设置为 false 似乎可以解决问题。

Answer 1

这个问题类似于this question。

将 testOnBorrow 设置为 false 可以解决问题。