InitCommit

.gitignore

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+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### IntelliJ IDEA ###
+.idea/modules.xml
+.idea/jarRepositories.xml
+.idea/compiler.xml
+.idea/libraries/
+*.iws
+*.iml
+*.ipr
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store

pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>dev.struchkov.example.hibernate</groupId>
+    <artifactId>hibernate-multiple-bag-fetch-exception</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <properties>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.hibernate.orm</groupId>
+            <artifactId>hibernate-core</artifactId>
+            <version>6.1.0.Final</version>
+        </dependency>
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+            <version>2.1.214</version>
+        </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <version>1.18.24</version>
+        </dependency>
+
+        <dependency>
+            <groupId>ch.qos.logback</groupId>
+            <artifactId>logback-classic</artifactId>
+            <version>1.2.11</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+            <version>1.7.36</version>
+        </dependency>
+    </dependencies>
+
+</project>

src/main/resources/META-INF/persistence.xml

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+<persistence
+        version="2.1" xmlns="http://xmlns.jcp.org/xml/ns/persistence"
+        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence
+http://xmlns.jcp.org/xml/ns/persistence_2_1.xsd">
+
+    <persistence-unit name="Blog">
+        <class>dev.struchkov.example.hibernate.nbfe.problem.domain.Post</class>
+        <class>dev.struchkov.example.hibernate.nbfe.problem.domain.PostComment</class>
+        <class>dev.struchkov.example.hibernate.nbfe.problem.domain.Tag</class>
+        <exclude-unlisted-classes>true</exclude-unlisted-classes>
+        <properties>
+            <property name="jakarta.persistence.jdbc.driver" value="org.h2.Driver"/>
+            <property name="jakarta.persistence.jdbc.url" value="jdbc:h2:file:./data/demo"/>
+            <property name="jakarta.persistence.jdbc.user" value="sa"/>
+            <property name="jakarta.persistence.jdbc.password" value=""/>
+            <property name="jakarta.persistence.schema-generation.database.action" value="none"/>
+            <property name="hibernate.format_sql" value="true"/>
+            <property name="hibernate.use_sql_comments" value="true"/>
+        </properties>
+    </persistence-unit>
+
+</persistence>

src/main/resources/logback.xml

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+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
+        </encoder>
+    </appender>
+
+    <logger name="org.hibernate.SQL" level="DEBUG" />
+    <logger name="org.hibernate.type" level="TRACE" />
+
+    <root level="info">
+        <appender-ref ref="STDOUT"/>
+    </root>
+</configuration>