質問編集履歴
4
エラーメッセージ
test
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Whitelabel Error Page
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This application has no explicit mapping for /error, so you are seeing this as a fallback.
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There was an unexpected error (type=Internal Server Error, status=500).
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Could not open JDBC Connection for transaction; nested exception is java.sql.SQL
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org.springframework.transaction.CannotCreateTransactionException: Could not open JDBC Connection for transaction; nested exception is java.sql.SQL
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Could not open JDBC Connection for transaction; nested exception is java.sql.SQLNonTransientConnectionException: Could not create connection to database server.
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org.springframework.transaction.CannotCreateTransactionException: Could not open JDBC Connection for transaction; nested exception is java.sql.SQLNonTransientConnectionException: Could not create connection to database server.
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at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:309)
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at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:373)
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at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:595)
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at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:382)
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at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
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at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)
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以下省略
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### 該当のソースコード
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```pom.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>2.4.5</version>
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<relativePath/> <!-- lookup parent from repository -->
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</parent>
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<groupId>com.example</groupId>
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<artifactId>sprintgboot.test-6</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<packaging>war</packaging>
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<name>sprintgboot.test-6</name>
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<description>Demo project for Spring Boot</description>
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<properties>
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<java.version>11</java.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-thymeleaf</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-validation</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<dependency>
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<groupId>org.mybatis.spring.boot</groupId>
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<artifactId>mybatis-spring-boot-starter</artifactId>
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<version>2.1.4</version>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-devtools</artifactId>
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<scope>runtime</scope>
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<optional>true</optional>
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</dependency>
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<dependency>
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<groupId>mysql</groupId>
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<artifactId>mysql-connector-java</artifactId>
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<scope>runtime</scope>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-tomcat</artifactId>
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<scope>provided</scope>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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</plugin>
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</plugins>
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</build>
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</project>
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```
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### 該当のソースコード
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-
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53
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-
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54
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55
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```pom.xml
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<?xml version="1.0" encoding="UTF-8"?>
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58
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-
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>2.4.5</version>
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<relativePath/> <!-- lookup parent from repository -->
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</parent>
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<groupId>com.example</groupId>
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<artifactId>sprintgboot.test-6</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<packaging>war</packaging>
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<name>sprintgboot.test-6</name>
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<description>Demo project for Spring Boot</description>
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<properties>
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<java.version>11</java.version>
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```application.properties
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<dependency>
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<groupId>org.springframework.boot</groupId>
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spring.datasource.url=jdbc:mysql://localhost:3306/testdb?characterEncoding=UTF-8&serverTimezone=JST
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spring.datasource.username=*****
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-validation</artifactId>
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spring.datasource.password=*****
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spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
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</dependency>
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<groupId>org.mybatis.spring.boot</groupId>
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<artifactId>mybatis-spring-boot-starter</artifactId>
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<version>2.1.4</version>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-devtools</artifactId>
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<scope>runtime</scope>
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<optional>true</optional>
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</dependency>
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<dependency>
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<groupId>mysql</groupId>
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<artifactId>mysql-connector-java</artifactId>
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</dependency>
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<dependency>
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<artifactId>spring-boot-starter-tomcat</artifactId>
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<scope>provided</scope>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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</dependencies>
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<build>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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</plugin>
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</plugins>
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</build>
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</project>
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```
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```application.properties
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spring.datasource.url=jdbc:mysql://localhost:3306/testdb?characterEncoding=UTF-8&serverTimezone=JST
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spring.datasource.username=*****
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spring.datasource.password=*****
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spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
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```
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214
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-
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215
217
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### 試したこと
|
|
216
218
|
|
|
217
219
|
mysqlの3306ポート開放
|
3
エラーメッセージ
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -28,13 +28,19 @@
|
|
|
28
28
|
|
|
29
29
|
|
|
30
30
|
|
|
31
|
-
|
|
31
|
+
Tue Apr 20 13:38:27 JST 2021
|
|
32
32
|
|
|
33
33
|
There was an unexpected error (type=Internal Server Error, status=500).
|
|
34
34
|
|
|
35
|
-
Could not open JDBC Connection for transaction; nested exception is java.sql.SQL
|
|
36
|
-
|
|
37
|
-
org.springframework.transaction.CannotCreateTransactionException: Could not open JDBC Connection for transaction; nested exception is java.sql.SQL
|
|
35
|
+
Could not open JDBC Connection for transaction; nested exception is java.sql.SQLSyntaxErrorException: Unknown database 'localhost:3306/testdb'
|
|
36
|
+
|
|
37
|
+
org.springframework.transaction.CannotCreateTransactionException: Could not open JDBC Connection for transaction; nested exception is java.sql.SQLSyntaxErrorException: Unknown database 'localhost:3306/testdb'
|
|
38
|
+
|
|
39
|
+
at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:309)
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|
40
|
+
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41
|
+
at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:400)
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|
42
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+
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|
43
|
+
at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:373)
|
|
38
44
|
|
|
39
45
|
以下省略
|
|
40
46
|
|
2
タイトル
test
CHANGED
|
@@ -1 +1 @@
|
|
|
1
|
-
spring boot
|
|
1
|
+
spring bootからデータベースに接続できない問題を解決したい
|
test
CHANGED
|
File without changes
|
1
試したことを更新しました
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -14,7 +14,7 @@
|
|
|
14
14
|
|
|
15
15
|
spring tool 4
|
|
16
16
|
|
|
17
|
-
mysql
|
|
17
|
+
mysql8.0
|
|
18
18
|
|
|
19
19
|
### 発生している問題・エラーメッセージ
|
|
20
20
|
|
|
@@ -208,7 +208,7 @@
|
|
|
208
208
|
|
|
209
209
|
### 試したこと
|
|
210
210
|
|
|
211
|
-
|
|
211
|
+
mysqlの3306ポート開放
|
|
212
212
|
|
|
213
213
|
|
|
214
214
|
|