[Common API]: Common API is having Null Pointer Exceptions in logs after starting up succesfully #121
Description
Common API is showing the following errors in its logs after starting up successfully
Can't load log handler "java.util.logging.FileHandler"
java.nio.file.NoSuchFileException: logs/common-api.log.0.lck
java.nio.file.NoSuchFileException: logs/common-api.log.0.lck
at java.base/sun.nio.fs.UnixException.translateToIOException(UnixException.java:92)
at java.base/sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:106)
at java.base/sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:111)
at java.base/sun.nio.fs.UnixFileSystemProvider.newFileChannel(UnixFileSystemProvider.java:181)
at java.base/java.nio.channels.FileChannel.open(FileChannel.java:298)
at java.base/java.nio.channels.FileChannel.open(FileChannel.java:357)
at java.logging/java.util.logging.FileHandler.openFiles(FileHandler.java:512)
at java.logging/java.util.logging.FileHandler.(FileHandler.java:279)
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:500)
at java.base/java.lang.reflect.ReflectAccess.newInstance(ReflectAccess.java:128)
at java.base/jdk.internal.reflect.ReflectionFactory.newInstance(ReflectionFactory.java:347)
at java.base/java.lang.Class.newInstance(Class.java:647)
at java.logging/java.util.logging.LogManager.createLoggerHandlers(LogManager.java:1005)
at java.logging/java.util.logging.LogManager$4.run(LogManager.java:975)
at java.logging/java.util.logging.LogManager$4.run(LogManager.java:971)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:318)
at java.logging/java.util.logging.LogManager.loadLoggerHandlers(LogManager.java:971)
at java.logging/java.util.logging.LogManager.initializeGlobalHandlers(LogManager.java:2424)
at java.logging/java.util.logging.LogManager$RootLogger.accessCheckedHandlers(LogManager.java:2526)
at java.logging/java.util.logging.Logger.getHandlers(Logger.java:2090)
at org.apache.juli.logging.DirectJDKLog.(DirectJDKLog.java:47)
at org.apache.juli.logging.LogFactory.getInstance(LogFactory.java:133)
at org.apache.juli.logging.LogFactory.getInstance(LogFactory.java:156)
at org.apache.juli.logging.LogFactory.getLog(LogFactory.java:211)
at org.apache.tomcat.util.http.Rfc6265CookieProcessor.(Rfc6265CookieProcessor.java:39)
at org.springframework.boot.autoconfigure.BackgroundPreinitializer$TomcatInitializer.run(BackgroundPreinitializer.java:201)
at org.springframework.boot.autoconfigure.BackgroundPreinitializer$1.runSafely(BackgroundPreinitializer.java:120)
at org.springframework.boot.autoconfigure.BackgroundPreinitializer$1.run(BackgroundPreinitializer.java:113)
at java.base/java.lang.Thread.run(Thread.java:840)
Feb 25, 2026 9:45:29 AM org.apache.catalina.core.StandardService startInternal
INFO: Starting service [Tomcat]
Feb 25, 2026 9:45:29 AM org.apache.catalina.core.StandardEngine startInternal
INFO: Starting Servlet engine: [Apache Tomcat/10.1.18]
Feb 25, 2026 9:45:29 AM org.apache.catalina.core.ApplicationContext log
INFO: Initializing Spring embedded WebApplicationContext
Connecting to Redis localhost:637909:45:30,243 DEBUG InternalLoggerFactory:63 - Using SLF4J as the default logging framework
09:45:30,341 DEBUG AddressResolverGroupProvider:37 - Starting without optional netty's non-blocking DNS resolver library
09:45:30,344 DEBUG DefaultClientResources:122 - -Dio.netty.eventLoopThreads: 4
09:45:30,360 DEBUG DefaultEventLoopGroupProvider:231 - Creating executor io.netty.util.concurrent.DefaultEventExecutorGroup
09:45:30,391 DEBUG GlobalEventExecutor:53 - -Dio.netty.globalEventExecutor.quietPeriodSeconds: 1
09:45:30,407 DEBUG InternalThreadLocalMap:100 - -Dio.netty.threadLocalMap.stringBuilder.initialSize: 1024
09:45:30,408 DEBUG InternalThreadLocalMap:101 - -Dio.netty.threadLocalMap.stringBuilder.maxSize: 4096
09:45:30,416 DEBUG ResourceLeakDetector:129 - -Dio.netty.leakDetection.level: simple
09:45:30,417 DEBUG ResourceLeakDetector:130 - -Dio.netty.leakDetection.targetRecords: 4
09:45:30,457 DEBUG ResourceLeakDetectorFactory:196 - Loaded default ResourceLeakDetector: io.netty.util.ResourceLeakDetector@2e4440a1
09:45:30,487 DEBUG PlatformDependent0:515 - -Dio.netty.noUnsafe: false
09:45:30,488 DEBUG PlatformDependent0:1026 - Java version: 17
09:45:30,491 DEBUG PlatformDependent0:140 - sun.misc.Unsafe.theUnsafe: available
09:45:30,493 DEBUG PlatformDependent0:164 - sun.misc.Unsafe.copyMemory: available
09:45:30,495 DEBUG PlatformDependent0:196 - sun.misc.Unsafe.storeFence: available
09:45:30,498 DEBUG PlatformDependent0:239 - java.nio.Buffer.address: available
09:45:30,500 DEBUG PlatformDependent0:325 - direct buffer constructor: unavailable: Reflective setAccessible(true) disabled
09:45:30,503 DEBUG PlatformDependent0:403 - java.nio.Bits.unaligned: available, true
09:45:30,507 DEBUG PlatformDependent0:471 - jdk.internal.misc.Unsafe.allocateUninitializedArray(int): unavailable: class io.netty.util.internal.PlatformDependent0$7 cannot access class jdk.internal.misc.Unsafe (in module java.base) because module java.base does not export jdk.internal.misc to unnamed module @20abdeca
09:45:30,572 DEBUG PlatformDependent0:501 - java.nio.DirectByteBuffer.(long, {int,long}): unavailable
09:45:30,573 DEBUG PlatformDependent:1160 - sun.misc.Unsafe: available
09:45:30,574 DEBUG PlatformDependent:1306 - -Dio.netty.tmpdir: /tmp (java.io.tmpdir)
09:45:30,574 DEBUG PlatformDependent:1385 - -Dio.netty.bitMode: 64 (sun.arch.data.model)
09:45:30,576 DEBUG PlatformDependent:176 - -Dio.netty.maxDirectMemory: -1 bytes
09:45:30,576 DEBUG PlatformDependent:183 - -Dio.netty.uninitializedArrayAllocationThreshold: -1
09:45:30,578 DEBUG CleanerJava9:71 - java.nio.ByteBuffer.cleaner(): available
09:45:30,579 DEBUG PlatformDependent:203 - -Dio.netty.noPreferDirect: false
09:45:30,596 DEBUG PlatformDependent:1011 - org.jctools-core.MpscChunkedArrayQueue: available
09:45:30,615 DEBUG Loggers:254 - Using Slf4j logging framework
09:45:30,627 DEBUG EventRecorderHolder:47 - Starting with JFR support
09:45:30,659 DEBUG DefaultClientResources:227 - LatencyUtils/HdrUtils are not available, metrics are disabled
Loading class com.mysql.jdbc.Driver'. This is deprecated. The new driver class is com.mysql.cj.jdbc.Driver'. The driver is automatically registered via the SPI and manual loading of the driver class is generally unnecessary.
09:45:56,043 DEBUG QuartzConfig$$SpringCGLIB$$0:60 - QuartzConfig initialized.
09:45:59,046 ERROR ConfigProperties:154 - sms-gateway-url retrival failed.
java.lang.NullPointerException: Cannot invoke "String.trim()" because the return value of "java.util.Properties.getProperty(String)" is null
at com.iemr.common.utils.config.ConfigProperties.getPropertyByName(ConfigProperties.java:151)
at com.iemr.common.service.sms.SMSServiceImpl.(SMSServiceImpl.java:178)
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:500)
at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:481)
at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:197)
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:88)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1310)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1201)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:561)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:521)
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:325)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:323)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199)
at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:254)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1443)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1353)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.resolveFieldValue(AutowiredAnnotationBeanPostProcessor.java:784)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:767)
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:145)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:508)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1418)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:598)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:521)
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:325)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:323)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:975)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:959)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:624)
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:146)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:754)
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:456)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:334)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1354)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1343)
at com.iemr.common.CommonApplication.main(CommonApplication.java:57)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:569)
at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:50)
09:46:03,733 ERROR ConfigProperties:154 - sms-gateway-url retrival failed.
java.lang.NullPointerException: Cannot invoke "String.trim()" because the return value of "java.util.Properties.getProperty(String)" is null
at com.iemr.common.utils.config.ConfigProperties.getPropertyByName(ConfigProperties.java:151)
at com.iemr.common.service.otp.OTPHandlerImpl.(OTPHandlerImpl.java:58)
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:500)
at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:481)
at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:197)
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:88)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1310)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1201)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:561)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:521)
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:325)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:323)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199)
at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:254)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1443)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1353)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.resolveFieldValue(AutowiredAnnotationBeanPostProcessor.java:784)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:767)
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:145)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:508)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1418)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:598)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:521)
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:325)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:323)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:975)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:959)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:624)
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:146)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:754)
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:456)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:334)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1354)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1343)
at com.iemr.common.CommonApplication.main(CommonApplication.java:57)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:569)
at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:50)