Merge pull request #8125 from eugenp/revert-8119-BAEL-3275-2

Revert "BAEL-3275: Using blocking queue for pub-sub"

spring-exceptions/.gitignore

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+*.class
+
+derby.log
+
+#folders#
+/target
+/neoDb*
+/data
+/src/main/webapp/WEB-INF/classes
+*/META-INF/*
+
+# Packaged files #
+*.jar
+*.war
+*.ear

spring-exceptions/README.md

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+## Spring `Exception`s
+
+This module contains articles about Spring `Exception`s
+
+### Relevant articles: 
+- [Spring BeanCreationException](https://www.baeldung.com/spring-beancreationexception)
+- [Spring DataIntegrityViolationException](https://www.baeldung.com/spring-dataIntegrityviolationexception)
+- [Spring BeanDefinitionStoreException](https://www.baeldung.com/spring-beandefinitionstoreexception)
+- [Spring NoSuchBeanDefinitionException](https://www.baeldung.com/spring-nosuchbeandefinitionexception)
+- [Guide to Spring NonTransientDataAccessException](https://www.baeldung.com/nontransientdataaccessexception)
+- [Hibernate Mapping Exception – Unknown Entity](https://www.baeldung.com/hibernate-mappingexception-unknown-entity)

spring-exceptions/pom.xml

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+<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>com.baeldung</groupId>
+    <artifactId>spring-exceptions</artifactId>
+    <version>0.1-SNAPSHOT</version>
+    <name>spring-exceptions</name>
+    <packaging>war</packaging>
+
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-modules</artifactId>
+        <version>1.0.0-SNAPSHOT</version>
+    </parent>
+
+    <dependencies>
+
+        <!-- Spring -->
+
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-web</artifactId>
+            <version>${org.springframework.version}</version>
+            <exclusions>
+                <exclusion>
+                    <artifactId>commons-logging</artifactId>
+                    <groupId>commons-logging</groupId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-webmvc</artifactId>
+            <version>${org.springframework.version}</version>
+            <exclusions>
+                <exclusion>
+                    <artifactId>commons-logging</artifactId>
+                    <groupId>commons-logging</groupId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-orm</artifactId>
+            <version>${org.springframework.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-context</artifactId>
+            <version>${org.springframework.version}</version>
+        </dependency>
+
+        <!-- persistence -->
+
+        <dependency>
+            <groupId>org.hibernate</groupId>
+            <artifactId>hibernate-core</artifactId>
+            <version>${hibernate.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.javassist</groupId>
+            <artifactId>javassist</artifactId>
+            <version>${javassist.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+            <version>${mysql-connector-java.version}</version>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.tomcat</groupId>
+            <artifactId>tomcat-dbcp</artifactId>
+            <version>${tomcat-dbcp.version}</version>
+        </dependency>
+
+        <!-- validation -->
+
+        <dependency>
+            <groupId>org.hibernate</groupId>
+            <artifactId>hibernate-validator</artifactId>
+            <version>${hibernate-validator.version}</version>
+        </dependency>
+
+        <!-- web -->
+
+        <dependency>
+            <groupId>javax.servlet</groupId>
+            <artifactId>javax.servlet-api</artifactId>
+            <version>${javax.servlet-api.version}</version>
+            <scope>provided</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>javax.servlet</groupId>
+            <artifactId>jstl</artifactId>
+            <version>${jstl.version}</version>
+            <scope>runtime</scope>
+        </dependency>
+
+        <!-- util -->
+
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+            <version>${guava.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>${commons-lang3.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <!-- test scoped -->
+
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-test</artifactId>
+            <version>${org.springframework.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>javax.el</groupId>
+            <artifactId>el-api</artifactId>
+            <version>${javax.el.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.derby</groupId>
+            <artifactId>derby</artifactId>
+            <version>${derby.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.derby</groupId>
+            <artifactId>derbyclient</artifactId>
+            <version>${derby.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.derby</groupId>
+            <artifactId>derbynet</artifactId>
+            <version>${derby.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.derby</groupId>
+            <artifactId>derbytools</artifactId>
+            <version>${derby.version}</version>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <finalName>spring-exceptions</finalName>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
+
+        <plugins>
+
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-war-plugin</artifactId>
+                <version>${maven-war-plugin.version}</version>
+                <configuration>
+                    <failOnMissingWebXml>false</failOnMissingWebXml>
+                </configuration>
+            </plugin>
+
+        </plugins>
+
+    </build>
+
+    <properties>
+
+        <!-- Spring -->
+        <org.springframework.version>4.3.4.RELEASE</org.springframework.version>
+        <org.springframework.security.version>4.2.0.RELEASE</org.springframework.security.version>
+        <javassist.version>3.21.0-GA</javassist.version>
+
+        <!-- persistence -->
+        <hibernate.version>5.2.5.Final</hibernate.version>
+        <mysql-connector-java.version>5.1.40</mysql-connector-java.version>
+        <tomcat-dbcp.version>7.0.73</tomcat-dbcp.version>
+        <derby.version>10.13.1.1</derby.version>
+
+        <!-- various -->
+        <hibernate-validator.version>5.3.3.Final</hibernate-validator.version>
+        <javax.el.version>2.2</javax.el.version>
+
+        <!-- util -->
+        <guava.version>19.0</guava.version>
+
+        <httpcore.version>4.4.5</httpcore.version>
+        <httpclient.version>4.5.2</httpclient.version>
+
+        <rest-assured.version>2.9.0</rest-assured.version>
+
+        <!-- maven plugins -->
+        <maven-resources-plugin.version>2.7</maven-resources-plugin.version>
+        <cargo-maven2-plugin.version>1.6.1</cargo-maven2-plugin.version>
+
+    </properties>
+
+</project>

spring-exceptions/src/main/java/org/baeldung/ex/beancreationexception/cause1/BeanA.java

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+package org.baeldung.ex.beancreationexception.cause1;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+@Component
+public class BeanA {
+
+    @Autowired
+    private BeanB dependency;
+
+}

spring-exceptions/src/main/java/org/baeldung/ex/beancreationexception/cause1/BeanB.java

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+package org.baeldung.ex.beancreationexception.cause1;
+
+public class BeanB {
+    //
+}

spring-exceptions/src/main/java/org/baeldung/ex/beancreationexception/cause2/BeanA.java

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+package org.baeldung.ex.beancreationexception.cause2;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+@Component
+public class BeanA {
+
+    @Autowired
+    private IBeanB dependency;
+
+}

spring-exceptions/src/main/java/org/baeldung/ex/beancreationexception/cause2/BeanB1.java

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+package org.baeldung.ex.beancreationexception.cause2;
+
+import org.springframework.stereotype.Component;
+
+@Component
+public class BeanB1 implements IBeanB {
+    //
+}

spring-exceptions/src/main/java/org/baeldung/ex/beancreationexception/cause2/BeanB2.java

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+package org.baeldung.ex.beancreationexception.cause2;
+
+import org.springframework.stereotype.Component;
+
+@Component
+public class BeanB2 implements IBeanB {
+    //
+}

spring-exceptions/src/main/java/org/baeldung/ex/beancreationexception/cause2/IBeanB.java

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+package org.baeldung.ex.beancreationexception.cause2;
+
+public interface IBeanB {
+    //
+}

spring-exceptions/src/main/java/org/baeldung/ex/beancreationexception/cause3/BeanA.java

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+package org.baeldung.ex.beancreationexception.cause3;
+
+import org.springframework.stereotype.Component;
+
+@Component
+public class BeanA {
+
+    public BeanA() {
+        super();
+        throw new NullPointerException();
+    }
+}

spring-exceptions/src/main/java/org/baeldung/ex/beancreationexception/cause4/BeanA.java

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+package org.baeldung.ex.beancreationexception.cause4;
+
+import org.springframework.stereotype.Component;
+
+@Component
+public abstract class BeanA implements IBeanA {
+    //
+}

spring-exceptions/src/main/java/org/baeldung/ex/beancreationexception/cause4/IBeanA.java

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+package org.baeldung.ex.beancreationexception.cause4;
+
+public interface IBeanA {
+    //
+}

spring-exceptions/src/main/java/org/baeldung/ex/beancreationexception/cause5/BeanA.java

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+package org.baeldung.ex.beancreationexception.cause5;
+
+import org.springframework.stereotype.Component;
+
+@Component
+public class BeanA implements IBeanA {
+
+    public BeanA(final String name) {
+        super();
+        System.out.println(name);
+    }
+
+}

spring-exceptions/src/main/java/org/baeldung/ex/beancreationexception/cause5/IBeanA.java

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+package org.baeldung.ex.beancreationexception.cause5;
+
+public interface IBeanA {
+    //
+}

spring-exceptions/src/main/java/org/baeldung/ex/beancreationexception/cause6/BeanA.java

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+package org.baeldung.ex.beancreationexception.cause6;
+
+import org.springframework.stereotype.Component;
+
+@Component
+public class BeanA {
+    private IBeanB dependency;
+}

spring-exceptions/src/main/java/org/baeldung/ex/beancreationexception/cause6/BeanB.java

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+package org.baeldung.ex.beancreationexception.cause6;
+
+import org.springframework.stereotype.Component;
+
+@Component
+public class BeanB implements IBeanB {
+    //
+}

spring-exceptions/src/main/java/org/baeldung/ex/beancreationexception/cause6/IBeanB.java

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+package org.baeldung.ex.beancreationexception.cause6;
+
+public interface IBeanB {
+    //
+}

spring-exceptions/src/main/java/org/baeldung/ex/beancreationexception/cause8/BeanA.java

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+package org.baeldung.ex.beancreationexception.cause8;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+@Component
+public class BeanA implements IBeanA {
+    private IBeanB beanB;
+
+    @Autowired
+    public BeanA(final IBeanB beanB) {
+        super();
+        this.beanB = beanB;
+    }
+
+}

spring-exceptions/src/main/java/org/baeldung/ex/beancreationexception/cause8/BeanB.java

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+package org.baeldung.ex.beancreationexception.cause8;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+@Component
+public class BeanB implements IBeanB {
+    final IBeanA beanA;
+
+    @Autowired
+    public BeanB(final IBeanA beanA) {
+        super();
+        this.beanA = beanA;
+    }
+}

spring-exceptions/src/main/java/org/baeldung/ex/beancreationexception/cause8/IBeanA.java

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+package org.baeldung.ex.beancreationexception.cause8;
+
+public interface IBeanA {
+    //
+}

spring-exceptions/src/main/java/org/baeldung/ex/beancreationexception/cause8/IBeanB.java

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+package org.baeldung.ex.beancreationexception.cause8;
+
+public interface IBeanB {
+    //
+}

spring-exceptions/src/main/java/org/baeldung/ex/beancreationexception/cause9/BeanA.java

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+package org.baeldung.ex.beancreationexception.cause9;
+
+public abstract class BeanA implements IBeanA {
+    //
+}

spring-exceptions/src/main/java/org/baeldung/ex/beancreationexception/cause9/BeanB.java

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+package org.baeldung.ex.beancreationexception.cause9;
+
+public class BeanB {
+    //
+}

spring-exceptions/src/main/java/org/baeldung/ex/beancreationexception/cause9/IBeanA.java

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+package org.baeldung.ex.beancreationexception.cause9;
+
+public interface IBeanA {
+    //
+}

spring-exceptions/src/main/java/org/baeldung/ex/beancreationexception/spring/Cause1ContextWithJavaConfig.java

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+package org.baeldung.ex.beancreationexception.spring;
+
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+@ComponentScan("org.baeldung.ex.beancreationexception.cause1")
+public class Cause1ContextWithJavaConfig {
+
+    public Cause1ContextWithJavaConfig() {
+        super();
+    }
+
+    // beans
+
+}

spring-exceptions/src/main/java/org/baeldung/ex/beancreationexception/spring/Cause2ContextWithJavaConfig.java

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+package org.baeldung.ex.beancreationexception.spring;
+
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+@ComponentScan("org.baeldung.ex.beancreationexception.cause2")
+public class Cause2ContextWithJavaConfig {
+
+    public Cause2ContextWithJavaConfig() {
+        super();
+    }
+
+    // beans
+
+}

spring-exceptions/src/main/java/org/baeldung/ex/beancreationexception/spring/Cause3ContextWithJavaConfig.java

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+package org.baeldung.ex.beancreationexception.spring;
+
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+@ComponentScan("org.baeldung.ex.beancreationexception.cause3")
+public class Cause3ContextWithJavaConfig {
+
+    public Cause3ContextWithJavaConfig() {
+        super();
+    }
+
+    // beans
+
+}

spring-exceptions/src/main/java/org/baeldung/ex/beancreationexception/spring/Cause4ContextWithJavaConfig.java

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+package org.baeldung.ex.beancreationexception.spring;
+
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.ImportResource;
+
+@Configuration
+@ComponentScan("org.baeldung.ex.beancreationexception.cause4")
+@ImportResource("classpath:beancreationexception_cause4.xml")
+public class Cause4ContextWithJavaConfig {
+
+    public Cause4ContextWithJavaConfig() {
+        super();
+    }
+
+    // beans
+
+}

spring-exceptions/src/main/java/org/baeldung/ex/beancreationexception/spring/Cause5ContextWithJavaConfig.java

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+package org.baeldung.ex.beancreationexception.spring;
+
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+@ComponentScan("org.baeldung.ex.beancreationexception.cause5")
+public class Cause5ContextWithJavaConfig {
+
+    public Cause5ContextWithJavaConfig() {
+        super();
+    }
+
+    // beans
+
+}

spring-exceptions/src/main/java/org/baeldung/ex/beancreationexception/spring/Cause6ContextWithJavaConfig.java

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+package org.baeldung.ex.beancreationexception.spring;
+
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.ImportResource;
+
+@Configuration
+@ComponentScan("org.baeldung.ex.beancreationexception.cause6")
+@ImportResource("classpath:beancreationexception_cause6.xml")
+public class Cause6ContextWithJavaConfig {
+
+    public Cause6ContextWithJavaConfig() {
+        super();
+    }
+
+    // beans
+
+}