Created
April 17, 2014 08:23
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Register this EmbeddedServletContainerCustomizer @bean in a Spring Boot application to customize the embedded Tomcat instance. In particular, this sets up SSL support for the container. I quite like this because it uses Java 8 lambas to nice effect. No finals, no anonymous inner classes. it just... works.
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| @Bean | |
| EmbeddedServletContainerCustomizer containerCustomizer( | |
| @Value("${keystore.file}") Resource keystoreFile, | |
| @Value("${keystore.pass}") String keystorePass) throws Exception { | |
| String absoluteKeystoreFile = keystoreFile.getFile().getAbsolutePath(); | |
| return (ConfigurableEmbeddedServletContainer container) -> { | |
| if (container instanceof TomcatEmbeddedServletContainerFactory) { | |
| TomcatEmbeddedServletContainerFactory tomcat = (TomcatEmbeddedServletContainerFactory) container; | |
| tomcat.addConnectorCustomizers( | |
| (connector) -> { | |
| connector.setPort(8443); | |
| connector.setSecure(true); | |
| connector.setScheme("https"); | |
| Http11NioProtocol proto = (Http11NioProtocol) connector.getProtocolHandler(); | |
| proto.setSSLEnabled(true); | |
| proto.setKeystoreFile(absoluteKeystoreFile); | |
| proto.setKeystorePass(keystorePass); | |
| proto.setKeystoreType("PKCS12"); | |
| proto.setKeyAlias("tomcat"); | |
| } | |
| ); | |
| } | |
| }; | |
| } |
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A single Bean... without a class. I keep struggling - the example is incomplete. Where this bean must be declared? In Application with main class? - Throws Caused by: java.lang.IllegalArgumentException: A ServletContext is required to configure default servlet handling.
How does this befriend @EnableAutoConfiguration?
What is the wrapper class? If I put it to separate configuration class then my changes are not picked up - ignored. Neither setPort works neither cookie max age.
Tried component wrapper, no way, the customizations are ignored. The entity is scanned..