org.jasypt.exceptions.EncryptionOperationNotPossibleException: null

springboot使用jasypt对配置文件的配置项加密，启动时报出以下错误：

Caused by: org.jasypt.exceptions.EncryptionOperationNotPossibleException: null
	at org.jasypt.encryption.pbe.StandardPBEByteEncryptor.decrypt(StandardPBEByteEncryptor.java:1055) ~[jasypt-1.9.2.jar:na]
	at org.jasypt.encryption.pbe.StandardPBEStringEncryptor.decrypt(StandardPBEStringEncryptor.java:725) ~[jasypt-1.9.2.jar:na]
	at org.jasypt.encryption.pbe.PooledPBEStringEncryptor.decrypt(PooledPBEStringEncryptor.java:498) ~[jasypt-1.9.2.jar:na]
	at com.ulisesbocchio.jasyptspringboot.encryptor.DefaultLazyEncryptor.decrypt(DefaultLazyEncryptor.java:82) ~[jasypt-spring-boot-2.0.0.jar:na]
	at com.landasoft.common.config.EncryptionPropertyConfig$EncryptionPropertyResolver.resolvePropertyValue(EncryptionPropertyConfig.java:38) ~[itap-hubei-jcw-tool-1.0-SNAPSHOT.jar:na]
	at com.ulisesbocchio.jasyptspringboot.resolver.DefaultLazyPropertyResolver.resolvePropertyValue(DefaultLazyPropertyResolver.java:41) ~[jasypt-spring-boot-2.0.0.jar:na]
	at com.ulisesbocchio.jasyptspringboot.EncryptablePropertySource.getProperty(EncryptablePropertySource.java:16) ~[jasypt-spring-boot-2.0.0.jar:na]
	at com.ulisesbocchio.jasyptspringboot.wrapper.EncryptableMapPropertySourceWrapper.getProperty(EncryptableMapPropertySourceWrapper.java:29) ~[jasypt-spring-boot-2.0.0.jar:na]
	at org.springframework.boot.bind.PropertySourcesPropertyValues.getEnumerableProperty(PropertySourcesPropertyValues.java:165) ~[spring-boot-1.5.7.RELEASE.jar:1.5.7.RELEASE]
	at org.springframework.boot.bind.PropertySourcesPropertyValues.processEnumerablePropertySource(PropertySourcesPropertyValues.java:148) ~[spring-boot-1.5.7.RELEASE.jar:1.5.7.RELEASE]
	at org.springframework.boot.bind.PropertySourcesPropertyValues.processPropertySource(PropertySourcesPropertyValues.java:127) ~[spring-boot-1.5.7.RELEASE.jar:1.5.7.RELEASE]
	at org.springframework.boot.bind.PropertySourcesPropertyValues.(PropertySourcesPropertyValues.java:117) ~[spring-boot-1.5.7.RELEASE.jar:1.5.7.RELEASE]
	at org.springframework.boot.bind.PropertiesConfigurationFactory.getPropertySourcesPropertyValues(PropertiesConfigurationFactory.java:316) ~[spring-boot-1.5.7.RELEASE.jar:1.5.7.RELEASE]
	at org.springframework.boot.bind.PropertiesConfigurationFactory.doBindPropertiesToTarget(PropertiesConfigurationFactory.java:270) ~[spring-boot-1.5.7.RELEASE.jar:1.5.7.RELEASE]
	at org.springframework.boot.bind.PropertiesConfigurationFactory.bindPropertiesToTarget(PropertiesConfigurationFactory.java:240) ~[spring-boot-1.5.7.RELEASE.jar:1.5.7.RELEASE]
	at org.springframework.boot.context.properties.ConfigurationPropertiesBindingPostProcessor.postProcessBeforeInitialization(ConfigurationPropertiesBindingPostProcessor.java:329) ~[spring-boot-1.5.7.RELEASE.jar:1.5.7.RELEASE]
	... 76 common frames omitted

排查了各种情况都不能解决，网上也没有找到解决的方法

最后发现是因为加密后的密文不知什么原因损坏，导致用现有的密钥不能正确解密，从而报这个错误。

解决方法：用密钥重新对原配置项数据进行加密，然后替换掉加密后的密文，问题解决